Home / 14,319.87-21,391.78-10,337.10

Finding the Fourth Proportional to 14,319.87, 21,391.78 and 10,337.10

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Solution

The fourth proportional to 14,319.87, 21,391.78 and 10,337.10 is: 15,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.87 : 21,391.78 = 10,337.10 : x
  2. Step 2: Convert to fraction form
    14,319.87/21,391.78 = 10,337.10/x
  3. Step 3: Cross multiply
    14,319.87x = 21,391.78 × 10,337.10
  4. Step 4: Simplify right side
    14,319.87x = 221,128,943.20
  5. Step 5: Solve for x
    x = 221,128,943.20/14,319.87
  6. Step 6: Final answer
    x = 15,442.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.