Home / 18,701.32-25,810.10-10,743.52

Finding the Fourth Proportional to 18,701.32, 25,810.10 and 10,743.52

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Solution

The fourth proportional to 18,701.32, 25,810.10 and 10,743.52 is: 14,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.32 : 25,810.10 = 10,743.52 : x
  2. Step 2: Convert to fraction form
    18,701.32/25,810.10 = 10,743.52/x
  3. Step 3: Cross multiply
    18,701.32x = 25,810.10 × 10,743.52
  4. Step 4: Simplify right side
    18,701.32x = 277,291,325.55
  5. Step 5: Solve for x
    x = 277,291,325.55/18,701.32
  6. Step 6: Final answer
    x = 14,827.37

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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.