Home / 13,068.79-18,001.95-10,543.83

Finding the Fourth Proportional to 13,068.79, 18,001.95 and 10,543.83

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Solution

The fourth proportional to 13,068.79, 18,001.95 and 10,543.83 is: 14,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.79 : 18,001.95 = 10,543.83 : x
  2. Step 2: Convert to fraction form
    13,068.79/18,001.95 = 10,543.83/x
  3. Step 3: Cross multiply
    13,068.79x = 18,001.95 × 10,543.83
  4. Step 4: Simplify right side
    13,068.79x = 189,809,460.93
  5. Step 5: Solve for x
    x = 189,809,460.93/13,068.79
  6. Step 6: Final answer
    x = 14,523.88

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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.