Home / 10,645.95-14,689.69-6,168.90

Finding the Fourth Proportional to 10,645.95, 14,689.69 and 6,168.90

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Solution

The fourth proportional to 10,645.95, 14,689.69 and 6,168.90 is: 8,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.95 : 14,689.69 = 6,168.90 : x
  2. Step 2: Convert to fraction form
    10,645.95/14,689.69 = 6,168.90/x
  3. Step 3: Cross multiply
    10,645.95x = 14,689.69 × 6,168.90
  4. Step 4: Simplify right side
    10,645.95x = 90,619,228.64
  5. Step 5: Solve for x
    x = 90,619,228.64/10,645.95
  6. Step 6: Final answer
    x = 8,512.08

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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.