Home / 10,390.35-15,573.95-4,148.76

Finding the Fourth Proportional to 10,390.35, 15,573.95 and 4,148.76

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Solution

The fourth proportional to 10,390.35, 15,573.95 and 4,148.76 is: 6,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.35 : 15,573.95 = 4,148.76 : x
  2. Step 2: Convert to fraction form
    10,390.35/15,573.95 = 4,148.76/x
  3. Step 3: Cross multiply
    10,390.35x = 15,573.95 × 4,148.76
  4. Step 4: Simplify right side
    10,390.35x = 64,612,580.80
  5. Step 5: Solve for x
    x = 64,612,580.80/10,390.35
  6. Step 6: Final answer
    x = 6,218.52

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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.