Home / 10,698.40-14,759.13-6,713.20

Finding the Fourth Proportional to 10,698.40, 14,759.13 and 6,713.20

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Solution

The fourth proportional to 10,698.40, 14,759.13 and 6,713.20 is: 9,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.40 : 14,759.13 = 6,713.20 : x
  2. Step 2: Convert to fraction form
    10,698.40/14,759.13 = 6,713.20/x
  3. Step 3: Cross multiply
    10,698.40x = 14,759.13 × 6,713.20
  4. Step 4: Simplify right side
    10,698.40x = 99,080,991.52
  5. Step 5: Solve for x
    x = 99,080,991.52/10,698.40
  6. Step 6: Final answer
    x = 9,261.29

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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.