Home / 15,479.74-23,220.90-4,951.30

Finding the Fourth Proportional to 15,479.74, 23,220.90 and 4,951.30

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Solution

The fourth proportional to 15,479.74, 23,220.90 and 4,951.30 is: 7,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.74 : 23,220.90 = 4,951.30 : x
  2. Step 2: Convert to fraction form
    15,479.74/23,220.90 = 4,951.30/x
  3. Step 3: Cross multiply
    15,479.74x = 23,220.90 × 4,951.30
  4. Step 4: Simplify right side
    15,479.74x = 114,973,642.17
  5. Step 5: Solve for x
    x = 114,973,642.17/15,479.74
  6. Step 6: Final answer
    x = 7,427.36

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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.