Home / 10,490.02-15,735.06-5,292.28

Finding the Fourth Proportional to 10,490.02, 15,735.06 and 5,292.28

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Solution

The fourth proportional to 10,490.02, 15,735.06 and 5,292.28 is: 7,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.02 : 15,735.06 = 5,292.28 : x
  2. Step 2: Convert to fraction form
    10,490.02/15,735.06 = 5,292.28/x
  3. Step 3: Cross multiply
    10,490.02x = 15,735.06 × 5,292.28
  4. Step 4: Simplify right side
    10,490.02x = 83,274,343.34
  5. Step 5: Solve for x
    x = 83,274,343.34/10,490.02
  6. Step 6: Final answer
    x = 7,938.44

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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.