Home / 15,679.70-23,519.61-5,298.74

Finding the Fourth Proportional to 15,679.70, 23,519.61 and 5,298.74

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Solution

The fourth proportional to 15,679.70, 23,519.61 and 5,298.74 is: 7,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.70 : 23,519.61 = 5,298.74 : x
  2. Step 2: Convert to fraction form
    15,679.70/23,519.61 = 5,298.74/x
  3. Step 3: Cross multiply
    15,679.70x = 23,519.61 × 5,298.74
  4. Step 4: Simplify right side
    15,679.70x = 124,624,180.69
  5. Step 5: Solve for x
    x = 124,624,180.69/15,679.70
  6. Step 6: Final answer
    x = 7,948.13

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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.