Home / 15,606.08-21,538.38-8,894.13

Finding the Fourth Proportional to 15,606.08, 21,538.38 and 8,894.13

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Solution

The fourth proportional to 15,606.08, 21,538.38 and 8,894.13 is: 12,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.08 : 21,538.38 = 8,894.13 : x
  2. Step 2: Convert to fraction form
    15,606.08/21,538.38 = 8,894.13/x
  3. Step 3: Cross multiply
    15,606.08x = 21,538.38 × 8,894.13
  4. Step 4: Simplify right side
    15,606.08x = 191,565,151.71
  5. Step 5: Solve for x
    x = 191,565,151.71/15,606.08
  6. Step 6: Final answer
    x = 12,275.03

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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.