Home / 9,715.08-14,587.20-5,559.78

Finding the Fourth Proportional to 9,715.08, 14,587.20 and 5,559.78

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Solution

The fourth proportional to 9,715.08, 14,587.20 and 5,559.78 is: 8,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.08 : 14,587.20 = 5,559.78 : x
  2. Step 2: Convert to fraction form
    9,715.08/14,587.20 = 5,559.78/x
  3. Step 3: Cross multiply
    9,715.08x = 14,587.20 × 5,559.78
  4. Step 4: Simplify right side
    9,715.08x = 81,101,622.82
  5. Step 5: Solve for x
    x = 81,101,622.82/9,715.08
  6. Step 6: Final answer
    x = 8,348.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.