Home / 43,411.60-65,117.40-12,246.86

Finding the Fourth Proportional to 43,411.60, 65,117.40 and 12,246.86

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Solution

The fourth proportional to 43,411.60, 65,117.40 and 12,246.86 is: 18,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411.60 : 65,117.40 = 12,246.86 : x
  2. Step 2: Convert to fraction form
    43,411.60/65,117.40 = 12,246.86/x
  3. Step 3: Cross multiply
    43,411.60x = 65,117.40 × 12,246.86
  4. Step 4: Simplify right side
    43,411.60x = 797,483,681.36
  5. Step 5: Solve for x
    x = 797,483,681.36/43,411.60
  6. Step 6: Final answer
    x = 18,370.29

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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.