Home / 12,567.12-17,340.64-7,260.91

Finding the Fourth Proportional to 12,567.12, 17,340.64 and 7,260.91

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Solution

The fourth proportional to 12,567.12, 17,340.64 and 7,260.91 is: 10,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.12 : 17,340.64 = 7,260.91 : x
  2. Step 2: Convert to fraction form
    12,567.12/17,340.64 = 7,260.91/x
  3. Step 3: Cross multiply
    12,567.12x = 17,340.64 × 7,260.91
  4. Step 4: Simplify right side
    12,567.12x = 125,908,826.38
  5. Step 5: Solve for x
    x = 125,908,826.38/12,567.12
  6. Step 6: Final answer
    x = 10,018.91

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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.