Home / 14,567.78-21,851.69-6,242.40

Finding the Fourth Proportional to 14,567.78, 21,851.69 and 6,242.40

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Solution

The fourth proportional to 14,567.78, 21,851.69 and 6,242.40 is: 9,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.78 : 21,851.69 = 6,242.40 : x
  2. Step 2: Convert to fraction form
    14,567.78/21,851.69 = 6,242.40/x
  3. Step 3: Cross multiply
    14,567.78x = 21,851.69 × 6,242.40
  4. Step 4: Simplify right side
    14,567.78x = 136,406,958.44
  5. Step 5: Solve for x
    x = 136,406,958.44/14,567.78
  6. Step 6: Final answer
    x = 9,363.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.