Home / 12,547.47-17,315.60-6,958.83

Finding the Fourth Proportional to 12,547.47, 17,315.60 and 6,958.83

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Solution

The fourth proportional to 12,547.47, 17,315.60 and 6,958.83 is: 9,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.47 : 17,315.60 = 6,958.83 : x
  2. Step 2: Convert to fraction form
    12,547.47/17,315.60 = 6,958.83/x
  3. Step 3: Cross multiply
    12,547.47x = 17,315.60 × 6,958.83
  4. Step 4: Simplify right side
    12,547.47x = 120,496,281.95
  5. Step 5: Solve for x
    x = 120,496,281.95/12,547.47
  6. Step 6: Final answer
    x = 9,603.23

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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.