Home / 10,438.16-15,657.30-2,646.95

Finding the Fourth Proportional to 10,438.16, 15,657.30 and 2,646.95

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Solution

The fourth proportional to 10,438.16, 15,657.30 and 2,646.95 is: 3,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.16 : 15,657.30 = 2,646.95 : x
  2. Step 2: Convert to fraction form
    10,438.16/15,657.30 = 2,646.95/x
  3. Step 3: Cross multiply
    10,438.16x = 15,657.30 × 2,646.95
  4. Step 4: Simplify right side
    10,438.16x = 41,444,011.95
  5. Step 5: Solve for x
    x = 41,444,011.95/10,438.16
  6. Step 6: Final answer
    x = 3,970.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.