Home / 20,017.07-30,024.53-10,156.10

Finding the Fourth Proportional to 20,017.07, 30,024.53 and 10,156.10

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Solution

The fourth proportional to 20,017.07, 30,024.53 and 10,156.10 is: 15,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.07 : 30,024.53 = 10,156.10 : x
  2. Step 2: Convert to fraction form
    20,017.07/30,024.53 = 10,156.10/x
  3. Step 3: Cross multiply
    20,017.07x = 30,024.53 × 10,156.10
  4. Step 4: Simplify right side
    20,017.07x = 304,932,129.13
  5. Step 5: Solve for x
    x = 304,932,129.13/20,017.07
  6. Step 6: Final answer
    x = 15,233.60

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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.