Home / 14,710.64-20,301.13-9,048.71

Finding the Fourth Proportional to 14,710.64, 20,301.13 and 9,048.71

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Solution

The fourth proportional to 14,710.64, 20,301.13 and 9,048.71 is: 12,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.64 : 20,301.13 = 9,048.71 : x
  2. Step 2: Convert to fraction form
    14,710.64/20,301.13 = 9,048.71/x
  3. Step 3: Cross multiply
    14,710.64x = 20,301.13 × 9,048.71
  4. Step 4: Simplify right side
    14,710.64x = 183,699,038.04
  5. Step 5: Solve for x
    x = 183,699,038.04/14,710.64
  6. Step 6: Final answer
    x = 12,487.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.