Home / 9,971.36-13,739.19-9,060.11

Finding the Fourth Proportional to 9,971.36, 13,739.19 and 9,060.11

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Solution

The fourth proportional to 9,971.36, 13,739.19 and 9,060.11 is: 12,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.36 : 13,739.19 = 9,060.11 : x
  2. Step 2: Convert to fraction form
    9,971.36/13,739.19 = 9,060.11/x
  3. Step 3: Cross multiply
    9,971.36x = 13,739.19 × 9,060.11
  4. Step 4: Simplify right side
    9,971.36x = 124,478,572.71
  5. Step 5: Solve for x
    x = 124,478,572.71/9,971.36
  6. Step 6: Final answer
    x = 12,483.61

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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.