Home / 15,683.69-21,642.18-8,967.17

Finding the Fourth Proportional to 15,683.69, 21,642.18 and 8,967.17

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Solution

The fourth proportional to 15,683.69, 21,642.18 and 8,967.17 is: 12,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.69 : 21,642.18 = 8,967.17 : x
  2. Step 2: Convert to fraction form
    15,683.69/21,642.18 = 8,967.17/x
  3. Step 3: Cross multiply
    15,683.69x = 21,642.18 × 8,967.17
  4. Step 4: Simplify right side
    15,683.69x = 194,069,107.23
  5. Step 5: Solve for x
    x = 194,069,107.23/15,683.69
  6. Step 6: Final answer
    x = 12,373.94

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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.