Home / 10,925.88-15,077.71-6,210.46

Finding the Fourth Proportional to 10,925.88, 15,077.71 and 6,210.46

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Solution

The fourth proportional to 10,925.88, 15,077.71 and 6,210.46 is: 8,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.88 : 15,077.71 = 6,210.46 : x
  2. Step 2: Convert to fraction form
    10,925.88/15,077.71 = 6,210.46/x
  3. Step 3: Cross multiply
    10,925.88x = 15,077.71 × 6,210.46
  4. Step 4: Simplify right side
    10,925.88x = 93,639,514.85
  5. Step 5: Solve for x
    x = 93,639,514.85/10,925.88
  6. Step 6: Final answer
    x = 8,570.43

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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.