Home / 9,019.28-12,447.34-4,986.46

Finding the Fourth Proportional to 9,019.28, 12,447.34 and 4,986.46

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Solution

The fourth proportional to 9,019.28, 12,447.34 and 4,986.46 is: 6,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.28 : 12,447.34 = 4,986.46 : x
  2. Step 2: Convert to fraction form
    9,019.28/12,447.34 = 4,986.46/x
  3. Step 3: Cross multiply
    9,019.28x = 12,447.34 × 4,986.46
  4. Step 4: Simplify right side
    9,019.28x = 62,068,166.11
  5. Step 5: Solve for x
    x = 62,068,166.11/9,019.28
  6. Step 6: Final answer
    x = 6,881.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.