Home / 10,263.47-15,378.33-4,335.49

Finding the Fourth Proportional to 10,263.47, 15,378.33 and 4,335.49

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Solution

The fourth proportional to 10,263.47, 15,378.33 and 4,335.49 is: 6,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.47 : 15,378.33 = 4,335.49 : x
  2. Step 2: Convert to fraction form
    10,263.47/15,378.33 = 4,335.49/x
  3. Step 3: Cross multiply
    10,263.47x = 15,378.33 × 4,335.49
  4. Step 4: Simplify right side
    10,263.47x = 66,672,595.93
  5. Step 5: Solve for x
    x = 66,672,595.93/10,263.47
  6. Step 6: Final answer
    x = 6,496.11

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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.