Home / 10,283.79-15,431.85-4,360.35

Finding the Fourth Proportional to 10,283.79, 15,431.85 and 4,360.35

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Solution

The fourth proportional to 10,283.79, 15,431.85 and 4,360.35 is: 6,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.79 : 15,431.85 = 4,360.35 : x
  2. Step 2: Convert to fraction form
    10,283.79/15,431.85 = 4,360.35/x
  3. Step 3: Cross multiply
    10,283.79x = 15,431.85 × 4,360.35
  4. Step 4: Simplify right side
    10,283.79x = 67,288,267.15
  5. Step 5: Solve for x
    x = 67,288,267.15/10,283.79
  6. Step 6: Final answer
    x = 6,543.14

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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.