Home / 10,037.12-13,856.96-8,929.76

Finding the Fourth Proportional to 10,037.12, 13,856.96 and 8,929.76

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Solution

The fourth proportional to 10,037.12, 13,856.96 and 8,929.76 is: 12,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.12 : 13,856.96 = 8,929.76 : x
  2. Step 2: Convert to fraction form
    10,037.12/13,856.96 = 8,929.76/x
  3. Step 3: Cross multiply
    10,037.12x = 13,856.96 × 8,929.76
  4. Step 4: Simplify right side
    10,037.12x = 123,739,327.13
  5. Step 5: Solve for x
    x = 123,739,327.13/10,037.12
  6. Step 6: Final answer
    x = 12,328.17

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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.