Home / 15,651.30-21,598.67-8,577.71

Finding the Fourth Proportional to 15,651.30, 21,598.67 and 8,577.71

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Solution

The fourth proportional to 15,651.30, 21,598.67 and 8,577.71 is: 11,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.30 : 21,598.67 = 8,577.71 : x
  2. Step 2: Convert to fraction form
    15,651.30/21,598.67 = 8,577.71/x
  3. Step 3: Cross multiply
    15,651.30x = 21,598.67 × 8,577.71
  4. Step 4: Simplify right side
    15,651.30x = 185,267,041.10
  5. Step 5: Solve for x
    x = 185,267,041.10/15,651.30
  6. Step 6: Final answer
    x = 11,837.17

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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.