Home / 42,345.18-63,512.91-11,182.86

Finding the Fourth Proportional to 42,345.18, 63,512.91 and 11,182.86

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Solution

The fourth proportional to 42,345.18, 63,512.91 and 11,182.86 is: 16,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,345.18 : 63,512.91 = 11,182.86 : x
  2. Step 2: Convert to fraction form
    42,345.18/63,512.91 = 11,182.86/x
  3. Step 3: Cross multiply
    42,345.18x = 63,512.91 × 11,182.86
  4. Step 4: Simplify right side
    42,345.18x = 710,255,980.72
  5. Step 5: Solve for x
    x = 710,255,980.72/42,345.18
  6. Step 6: Final answer
    x = 16,773.01

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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.