Home / 15,528.70-23,294.40-4,999.78

Finding the Fourth Proportional to 15,528.70, 23,294.40 and 4,999.78

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Solution

The fourth proportional to 15,528.70, 23,294.40 and 4,999.78 is: 7,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.70 : 23,294.40 = 4,999.78 : x
  2. Step 2: Convert to fraction form
    15,528.70/23,294.40 = 4,999.78/x
  3. Step 3: Cross multiply
    15,528.70x = 23,294.40 × 4,999.78
  4. Step 4: Simplify right side
    15,528.70x = 116,466,875.23
  5. Step 5: Solve for x
    x = 116,466,875.23/15,528.70
  6. Step 6: Final answer
    x = 7,500.10

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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.