Home / 10,445.47-14,409.39-6,859.92

Finding the Fourth Proportional to 10,445.47, 14,409.39 and 6,859.92

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Solution

The fourth proportional to 10,445.47, 14,409.39 and 6,859.92 is: 9,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.47 : 14,409.39 = 6,859.92 : x
  2. Step 2: Convert to fraction form
    10,445.47/14,409.39 = 6,859.92/x
  3. Step 3: Cross multiply
    10,445.47x = 14,409.39 × 6,859.92
  4. Step 4: Simplify right side
    10,445.47x = 98,847,162.95
  5. Step 5: Solve for x
    x = 98,847,162.95/10,445.47
  6. Step 6: Final answer
    x = 9,463.16

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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.