Home / 13,359.95-18,445.13-8,581.82

Finding the Fourth Proportional to 13,359.95, 18,445.13 and 8,581.82

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Solution

The fourth proportional to 13,359.95, 18,445.13 and 8,581.82 is: 11,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.95 : 18,445.13 = 8,581.82 : x
  2. Step 2: Convert to fraction form
    13,359.95/18,445.13 = 8,581.82/x
  3. Step 3: Cross multiply
    13,359.95x = 18,445.13 × 8,581.82
  4. Step 4: Simplify right side
    13,359.95x = 158,292,650.40
  5. Step 5: Solve for x
    x = 158,292,650.40/13,359.95
  6. Step 6: Final answer
    x = 11,848.30

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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.