Home / 15,118.70-22,672.65-5,258.30

Finding the Fourth Proportional to 15,118.70, 22,672.65 and 5,258.30

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Solution

The fourth proportional to 15,118.70, 22,672.65 and 5,258.30 is: 7,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.70 : 22,672.65 = 5,258.30 : x
  2. Step 2: Convert to fraction form
    15,118.70/22,672.65 = 5,258.30/x
  3. Step 3: Cross multiply
    15,118.70x = 22,672.65 × 5,258.30
  4. Step 4: Simplify right side
    15,118.70x = 119,219,595.50
  5. Step 5: Solve for x
    x = 119,219,595.50/15,118.70
  6. Step 6: Final answer
    x = 7,885.57

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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.