Home / 13,701.42-18,875.16-13,034.40

Finding the Fourth Proportional to 13,701.42, 18,875.16 and 13,034.40

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Solution

The fourth proportional to 13,701.42, 18,875.16 and 13,034.40 is: 17,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.42 : 18,875.16 = 13,034.40 : x
  2. Step 2: Convert to fraction form
    13,701.42/18,875.16 = 13,034.40/x
  3. Step 3: Cross multiply
    13,701.42x = 18,875.16 × 13,034.40
  4. Step 4: Simplify right side
    13,701.42x = 246,026,385.50
  5. Step 5: Solve for x
    x = 246,026,385.50/13,701.42
  6. Step 6: Final answer
    x = 17,956.27

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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.