Home / 9,017.80-12,444.64-5,039.28

Finding the Fourth Proportional to 9,017.80, 12,444.64 and 5,039.28

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Solution

The fourth proportional to 9,017.80, 12,444.64 and 5,039.28 is: 6,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.80 : 12,444.64 = 5,039.28 : x
  2. Step 2: Convert to fraction form
    9,017.80/12,444.64 = 5,039.28/x
  3. Step 3: Cross multiply
    9,017.80x = 12,444.64 × 5,039.28
  4. Step 4: Simplify right side
    9,017.80x = 62,712,025.46
  5. Step 5: Solve for x
    x = 62,712,025.46/9,017.80
  6. Step 6: Final answer
    x = 6,954.25

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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.