Home / 9,886.40-14,831.28-4,042.88

Finding the Fourth Proportional to 9,886.40, 14,831.28 and 4,042.88

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Solution

The fourth proportional to 9,886.40, 14,831.28 and 4,042.88 is: 6,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.40 : 14,831.28 = 4,042.88 : x
  2. Step 2: Convert to fraction form
    9,886.40/14,831.28 = 4,042.88/x
  3. Step 3: Cross multiply
    9,886.40x = 14,831.28 × 4,042.88
  4. Step 4: Simplify right side
    9,886.40x = 59,961,085.29
  5. Step 5: Solve for x
    x = 59,961,085.29/9,886.40
  6. Step 6: Final answer
    x = 6,065.01

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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.