Home / 11,419.86-15,752.84-6,703.23

Finding the Fourth Proportional to 11,419.86, 15,752.84 and 6,703.23

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Solution

The fourth proportional to 11,419.86, 15,752.84 and 6,703.23 is: 9,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.86 : 15,752.84 = 6,703.23 : x
  2. Step 2: Convert to fraction form
    11,419.86/15,752.84 = 6,703.23/x
  3. Step 3: Cross multiply
    11,419.86x = 15,752.84 × 6,703.23
  4. Step 4: Simplify right side
    11,419.86x = 105,594,876.16
  5. Step 5: Solve for x
    x = 105,594,876.16/11,419.86
  6. Step 6: Final answer
    x = 9,246.60

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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.