Home / 15,479.10-23,219.56-4,384.87

Finding the Fourth Proportional to 15,479.10, 23,219.56 and 4,384.87

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Solution

The fourth proportional to 15,479.10, 23,219.56 and 4,384.87 is: 6,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.10 : 23,219.56 = 4,384.87 : x
  2. Step 2: Convert to fraction form
    15,479.10/23,219.56 = 4,384.87/x
  3. Step 3: Cross multiply
    15,479.10x = 23,219.56 × 4,384.87
  4. Step 4: Simplify right side
    15,479.10x = 101,814,699.49
  5. Step 5: Solve for x
    x = 101,814,699.49/15,479.10
  6. Step 6: Final answer
    x = 6,577.56

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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.