Home / 15,440.19-23,159.75-6,549.81

Finding the Fourth Proportional to 15,440.19, 23,159.75 and 6,549.81

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Solution

The fourth proportional to 15,440.19, 23,159.75 and 6,549.81 is: 9,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.19 : 23,159.75 = 6,549.81 : x
  2. Step 2: Convert to fraction form
    15,440.19/23,159.75 = 6,549.81/x
  3. Step 3: Cross multiply
    15,440.19x = 23,159.75 × 6,549.81
  4. Step 4: Simplify right side
    15,440.19x = 151,691,929.40
  5. Step 5: Solve for x
    x = 151,691,929.40/15,440.19
  6. Step 6: Final answer
    x = 9,824.49

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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.