Home / 15,388.16-23,090.88-9,841.28

Finding the Fourth Proportional to 15,388.16, 23,090.88 and 9,841.28

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Solution

The fourth proportional to 15,388.16, 23,090.88 and 9,841.28 is: 14,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.16 : 23,090.88 = 9,841.28 : x
  2. Step 2: Convert to fraction form
    15,388.16/23,090.88 = 9,841.28/x
  3. Step 3: Cross multiply
    15,388.16x = 23,090.88 × 9,841.28
  4. Step 4: Simplify right side
    15,388.16x = 227,243,815.53
  5. Step 5: Solve for x
    x = 227,243,815.53/15,388.16
  6. Step 6: Final answer
    x = 14,767.45

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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.