Home / 15,466.25-21,343-8,567.18

Finding the Fourth Proportional to 15,466.25, 21,343 and 8,567.18

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Solution

The fourth proportional to 15,466.25, 21,343 and 8,567.18 is: 11,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.25 : 21,343 = 8,567.18 : x
  2. Step 2: Convert to fraction form
    15,466.25/21,343 = 8,567.18/x
  3. Step 3: Cross multiply
    15,466.25x = 21,343 × 8,567.18
  4. Step 4: Simplify right side
    15,466.25x = 182,849,322.74
  5. Step 5: Solve for x
    x = 182,849,322.74/15,466.25
  6. Step 6: Final answer
    x = 11,822.47

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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.