Home / 10,299.95-15,436.02-7,513.55

Finding the Fourth Proportional to 10,299.95, 15,436.02 and 7,513.55

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Solution

The fourth proportional to 10,299.95, 15,436.02 and 7,513.55 is: 11,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.95 : 15,436.02 = 7,513.55 : x
  2. Step 2: Convert to fraction form
    10,299.95/15,436.02 = 7,513.55/x
  3. Step 3: Cross multiply
    10,299.95x = 15,436.02 × 7,513.55
  4. Step 4: Simplify right side
    10,299.95x = 115,979,308.07
  5. Step 5: Solve for x
    x = 115,979,308.07/10,299.95
  6. Step 6: Final answer
    x = 11,260.18

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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.