Home / 10,415.19-14,386.76-9,086.59

Finding the Fourth Proportional to 10,415.19, 14,386.76 and 9,086.59

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Solution

The fourth proportional to 10,415.19, 14,386.76 and 9,086.59 is: 12,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.19 : 14,386.76 = 9,086.59 : x
  2. Step 2: Convert to fraction form
    10,415.19/14,386.76 = 9,086.59/x
  3. Step 3: Cross multiply
    10,415.19x = 14,386.76 × 9,086.59
  4. Step 4: Simplify right side
    10,415.19x = 130,726,589.55
  5. Step 5: Solve for x
    x = 130,726,589.55/10,415.19
  6. Step 6: Final answer
    x = 12,551.53

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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.