Home / 9,038.92-12,455.40-7,010.16

Finding the Fourth Proportional to 9,038.92, 12,455.40 and 7,010.16

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Solution

The fourth proportional to 9,038.92, 12,455.40 and 7,010.16 is: 9,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.92 : 12,455.40 = 7,010.16 : x
  2. Step 2: Convert to fraction form
    9,038.92/12,455.40 = 7,010.16/x
  3. Step 3: Cross multiply
    9,038.92x = 12,455.40 × 7,010.16
  4. Step 4: Simplify right side
    9,038.92x = 87,314,346.86
  5. Step 5: Solve for x
    x = 87,314,346.86/9,038.92
  6. Step 6: Final answer
    x = 9,659.82

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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.