Home / 10,012.32-13,812.72-6,475.92

Finding the Fourth Proportional to 10,012.32, 13,812.72 and 6,475.92

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Solution

The fourth proportional to 10,012.32, 13,812.72 and 6,475.92 is: 8,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.32 : 13,812.72 = 6,475.92 : x
  2. Step 2: Convert to fraction form
    10,012.32/13,812.72 = 6,475.92/x
  3. Step 3: Cross multiply
    10,012.32x = 13,812.72 × 6,475.92
  4. Step 4: Simplify right side
    10,012.32x = 89,450,069.70
  5. Step 5: Solve for x
    x = 89,450,069.70/10,012.32
  6. Step 6: Final answer
    x = 8,934.00

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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.