Home / 21,312.08-31,968.12-9,463.07

Finding the Fourth Proportional to 21,312.08, 31,968.12 and 9,463.07

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Solution

The fourth proportional to 21,312.08, 31,968.12 and 9,463.07 is: 14,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312.08 : 31,968.12 = 9,463.07 : x
  2. Step 2: Convert to fraction form
    21,312.08/31,968.12 = 9,463.07/x
  3. Step 3: Cross multiply
    21,312.08x = 31,968.12 × 9,463.07
  4. Step 4: Simplify right side
    21,312.08x = 302,516,397.49
  5. Step 5: Solve for x
    x = 302,516,397.49/21,312.08
  6. Step 6: Final answer
    x = 14,194.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.