Home / 12,562.10-18,862.35-8,683.70

Finding the Fourth Proportional to 12,562.10, 18,862.35 and 8,683.70

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Solution

The fourth proportional to 12,562.10, 18,862.35 and 8,683.70 is: 13,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.10 : 18,862.35 = 8,683.70 : x
  2. Step 2: Convert to fraction form
    12,562.10/18,862.35 = 8,683.70/x
  3. Step 3: Cross multiply
    12,562.10x = 18,862.35 × 8,683.70
  4. Step 4: Simplify right side
    12,562.10x = 163,794,988.70
  5. Step 5: Solve for x
    x = 163,794,988.70/12,562.10
  6. Step 6: Final answer
    x = 13,038.82

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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.