Home / 15,567.67-21,482.85-8,853.18

Finding the Fourth Proportional to 15,567.67, 21,482.85 and 8,853.18

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Solution

The fourth proportional to 15,567.67, 21,482.85 and 8,853.18 is: 12,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.67 : 21,482.85 = 8,853.18 : x
  2. Step 2: Convert to fraction form
    15,567.67/21,482.85 = 8,853.18/x
  3. Step 3: Cross multiply
    15,567.67x = 21,482.85 × 8,853.18
  4. Step 4: Simplify right side
    15,567.67x = 190,191,537.96
  5. Step 5: Solve for x
    x = 190,191,537.96/15,567.67
  6. Step 6: Final answer
    x = 12,217.08

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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.