Home / 15,126.40-22,697.70-6,807.70

Finding the Fourth Proportional to 15,126.40, 22,697.70 and 6,807.70

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Solution

The fourth proportional to 15,126.40, 22,697.70 and 6,807.70 is: 10,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.40 : 22,697.70 = 6,807.70 : x
  2. Step 2: Convert to fraction form
    15,126.40/22,697.70 = 6,807.70/x
  3. Step 3: Cross multiply
    15,126.40x = 22,697.70 × 6,807.70
  4. Step 4: Simplify right side
    15,126.40x = 154,519,132.29
  5. Step 5: Solve for x
    x = 154,519,132.29/15,126.40
  6. Step 6: Final answer
    x = 10,215.20

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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.