Home / 15,052.02-20,781.93-9,395.38

Finding the Fourth Proportional to 15,052.02, 20,781.93 and 9,395.38

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Solution

The fourth proportional to 15,052.02, 20,781.93 and 9,395.38 is: 12,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.02 : 20,781.93 = 9,395.38 : x
  2. Step 2: Convert to fraction form
    15,052.02/20,781.93 = 9,395.38/x
  3. Step 3: Cross multiply
    15,052.02x = 20,781.93 × 9,395.38
  4. Step 4: Simplify right side
    15,052.02x = 195,254,129.48
  5. Step 5: Solve for x
    x = 195,254,129.48/15,052.02
  6. Step 6: Final answer
    x = 12,971.96

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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.