Home / 10,148.70-15,225.63-3,575.55

Finding the Fourth Proportional to 10,148.70, 15,225.63 and 3,575.55

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Solution

The fourth proportional to 10,148.70, 15,225.63 and 3,575.55 is: 5,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.70 : 15,225.63 = 3,575.55 : x
  2. Step 2: Convert to fraction form
    10,148.70/15,225.63 = 3,575.55/x
  3. Step 3: Cross multiply
    10,148.70x = 15,225.63 × 3,575.55
  4. Step 4: Simplify right side
    10,148.70x = 54,440,001.35
  5. Step 5: Solve for x
    x = 54,440,001.35/10,148.70
  6. Step 6: Final answer
    x = 5,364.23

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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.