Home / 11,110.08-15,332.50-6,395.88

Finding the Fourth Proportional to 11,110.08, 15,332.50 and 6,395.88

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Solution

The fourth proportional to 11,110.08, 15,332.50 and 6,395.88 is: 8,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.08 : 15,332.50 = 6,395.88 : x
  2. Step 2: Convert to fraction form
    11,110.08/15,332.50 = 6,395.88/x
  3. Step 3: Cross multiply
    11,110.08x = 15,332.50 × 6,395.88
  4. Step 4: Simplify right side
    11,110.08x = 98,064,830.10
  5. Step 5: Solve for x
    x = 98,064,830.10/11,110.08
  6. Step 6: Final answer
    x = 8,826.65

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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.