Home / 13,500.02-18,627.90-7,531.40

Finding the Fourth Proportional to 13,500.02, 18,627.90 and 7,531.40

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Solution

The fourth proportional to 13,500.02, 18,627.90 and 7,531.40 is: 10,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.02 : 18,627.90 = 7,531.40 : x
  2. Step 2: Convert to fraction form
    13,500.02/18,627.90 = 7,531.40/x
  3. Step 3: Cross multiply
    13,500.02x = 18,627.90 × 7,531.40
  4. Step 4: Simplify right side
    13,500.02x = 140,294,166.06
  5. Step 5: Solve for x
    x = 140,294,166.06/13,500.02
  6. Step 6: Final answer
    x = 10,392.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.