Home / 10,686.42-14,751.21-6,437.66

Finding the Fourth Proportional to 10,686.42, 14,751.21 and 6,437.66

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Solution

The fourth proportional to 10,686.42, 14,751.21 and 6,437.66 is: 8,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.42 : 14,751.21 = 6,437.66 : x
  2. Step 2: Convert to fraction form
    10,686.42/14,751.21 = 6,437.66/x
  3. Step 3: Cross multiply
    10,686.42x = 14,751.21 × 6,437.66
  4. Step 4: Simplify right side
    10,686.42x = 94,963,242.38
  5. Step 5: Solve for x
    x = 94,963,242.38/10,686.42
  6. Step 6: Final answer
    x = 8,886.35

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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.