Home / 12,567.57-18,849.29-4,247.40

Finding the Fourth Proportional to 12,567.57, 18,849.29 and 4,247.40

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Solution

The fourth proportional to 12,567.57, 18,849.29 and 4,247.40 is: 6,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.57 : 18,849.29 = 4,247.40 : x
  2. Step 2: Convert to fraction form
    12,567.57/18,849.29 = 4,247.40/x
  3. Step 3: Cross multiply
    12,567.57x = 18,849.29 × 4,247.40
  4. Step 4: Simplify right side
    12,567.57x = 80,060,547.69
  5. Step 5: Solve for x
    x = 80,060,547.69/12,567.57
  6. Step 6: Final answer
    x = 6,370.41

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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.