Home / 14,865.68-22,261.08-8,939.36

Finding the Fourth Proportional to 14,865.68, 22,261.08 and 8,939.36

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Solution

The fourth proportional to 14,865.68, 22,261.08 and 8,939.36 is: 13,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.68 : 22,261.08 = 8,939.36 : x
  2. Step 2: Convert to fraction form
    14,865.68/22,261.08 = 8,939.36/x
  3. Step 3: Cross multiply
    14,865.68x = 22,261.08 × 8,939.36
  4. Step 4: Simplify right side
    14,865.68x = 198,999,808.11
  5. Step 5: Solve for x
    x = 198,999,808.11/14,865.68
  6. Step 6: Final answer
    x = 13,386.53

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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.