Home / 9,015.08-12,439.63-5,035.55

Finding the Fourth Proportional to 9,015.08, 12,439.63 and 5,035.55

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Solution

The fourth proportional to 9,015.08, 12,439.63 and 5,035.55 is: 6,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.08 : 12,439.63 = 5,035.55 : x
  2. Step 2: Convert to fraction form
    9,015.08/12,439.63 = 5,035.55/x
  3. Step 3: Cross multiply
    9,015.08x = 12,439.63 × 5,035.55
  4. Step 4: Simplify right side
    9,015.08x = 62,640,397.36
  5. Step 5: Solve for x
    x = 62,640,397.36/9,015.08
  6. Step 6: Final answer
    x = 6,948.40

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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.