Home / 43,397.19-65,095.07-13,814.60

Finding the Fourth Proportional to 43,397.19, 65,095.07 and 13,814.60

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Solution

The fourth proportional to 43,397.19, 65,095.07 and 13,814.60 is: 20,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,397.19 : 65,095.07 = 13,814.60 : x
  2. Step 2: Convert to fraction form
    43,397.19/65,095.07 = 13,814.60/x
  3. Step 3: Cross multiply
    43,397.19x = 65,095.07 × 13,814.60
  4. Step 4: Simplify right side
    43,397.19x = 899,261,959.47
  5. Step 5: Solve for x
    x = 899,261,959.47/43,397.19
  6. Step 6: Final answer
    x = 20,721.66

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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.