Home / 11,539.32-15,925.08-8,701.68

Finding the Fourth Proportional to 11,539.32, 15,925.08 and 8,701.68

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Solution

The fourth proportional to 11,539.32, 15,925.08 and 8,701.68 is: 12,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.32 : 15,925.08 = 8,701.68 : x
  2. Step 2: Convert to fraction form
    11,539.32/15,925.08 = 8,701.68/x
  3. Step 3: Cross multiply
    11,539.32x = 15,925.08 × 8,701.68
  4. Step 4: Simplify right side
    11,539.32x = 138,574,950.13
  5. Step 5: Solve for x
    x = 138,574,950.13/11,539.32
  6. Step 6: Final answer
    x = 12,008.94

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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.