Home / 15,624.77-21,561.35-8,549.82

Finding the Fourth Proportional to 15,624.77, 21,561.35 and 8,549.82

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Solution

The fourth proportional to 15,624.77, 21,561.35 and 8,549.82 is: 11,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.77 : 21,561.35 = 8,549.82 : x
  2. Step 2: Convert to fraction form
    15,624.77/21,561.35 = 8,549.82/x
  3. Step 3: Cross multiply
    15,624.77x = 21,561.35 × 8,549.82
  4. Step 4: Simplify right side
    15,624.77x = 184,345,618.71
  5. Step 5: Solve for x
    x = 184,345,618.71/15,624.77
  6. Step 6: Final answer
    x = 11,798.30

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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.