Home / 15,438.74-23,159.03-4,346.28

Finding the Fourth Proportional to 15,438.74, 23,159.03 and 4,346.28

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Solution

The fourth proportional to 15,438.74, 23,159.03 and 4,346.28 is: 6,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.74 : 23,159.03 = 4,346.28 : x
  2. Step 2: Convert to fraction form
    15,438.74/23,159.03 = 4,346.28/x
  3. Step 3: Cross multiply
    15,438.74x = 23,159.03 × 4,346.28
  4. Step 4: Simplify right side
    15,438.74x = 100,655,607.18
  5. Step 5: Solve for x
    x = 100,655,607.18/15,438.74
  6. Step 6: Final answer
    x = 6,519.68

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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.