Home / 14,287.10-21,432.06-4,925.90

Finding the Fourth Proportional to 14,287.10, 21,432.06 and 4,925.90

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Solution

The fourth proportional to 14,287.10, 21,432.06 and 4,925.90 is: 7,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.10 : 21,432.06 = 4,925.90 : x
  2. Step 2: Convert to fraction form
    14,287.10/21,432.06 = 4,925.90/x
  3. Step 3: Cross multiply
    14,287.10x = 21,432.06 × 4,925.90
  4. Step 4: Simplify right side
    14,287.10x = 105,572,077.19
  5. Step 5: Solve for x
    x = 105,572,077.19/14,287.10
  6. Step 6: Final answer
    x = 7,389.33

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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.