Home / 11,645.95-16,070.92-6,340.45

Finding the Fourth Proportional to 11,645.95, 16,070.92 and 6,340.45

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Solution

The fourth proportional to 11,645.95, 16,070.92 and 6,340.45 is: 8,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.95 : 16,070.92 = 6,340.45 : x
  2. Step 2: Convert to fraction form
    11,645.95/16,070.92 = 6,340.45/x
  3. Step 3: Cross multiply
    11,645.95x = 16,070.92 × 6,340.45
  4. Step 4: Simplify right side
    11,645.95x = 101,896,864.71
  5. Step 5: Solve for x
    x = 101,896,864.71/11,645.95
  6. Step 6: Final answer
    x = 8,749.55

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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.