Home / 16,390.88-22,587.95-11,345.75

Finding the Fourth Proportional to 16,390.88, 22,587.95 and 11,345.75

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Solution

The fourth proportional to 16,390.88, 22,587.95 and 11,345.75 is: 15,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.88 : 22,587.95 = 11,345.75 : x
  2. Step 2: Convert to fraction form
    16,390.88/22,587.95 = 11,345.75/x
  3. Step 3: Cross multiply
    16,390.88x = 22,587.95 × 11,345.75
  4. Step 4: Simplify right side
    16,390.88x = 256,277,154.36
  5. Step 5: Solve for x
    x = 256,277,154.36/16,390.88
  6. Step 6: Final answer
    x = 15,635.35

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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.