Home / 14,071.65-21,111.32-4,713.21

Finding the Fourth Proportional to 14,071.65, 21,111.32 and 4,713.21

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Solution

The fourth proportional to 14,071.65, 21,111.32 and 4,713.21 is: 7,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.65 : 21,111.32 = 4,713.21 : x
  2. Step 2: Convert to fraction form
    14,071.65/21,111.32 = 4,713.21/x
  3. Step 3: Cross multiply
    14,071.65x = 21,111.32 × 4,713.21
  4. Step 4: Simplify right side
    14,071.65x = 99,502,060.97
  5. Step 5: Solve for x
    x = 99,502,060.97/14,071.65
  6. Step 6: Final answer
    x = 7,071.10

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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.