Home / 11,585.72-15,988.55-6,549.65

Finding the Fourth Proportional to 11,585.72, 15,988.55 and 6,549.65

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Solution

The fourth proportional to 11,585.72, 15,988.55 and 6,549.65 is: 9,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.72 : 15,988.55 = 6,549.65 : x
  2. Step 2: Convert to fraction form
    11,585.72/15,988.55 = 6,549.65/x
  3. Step 3: Cross multiply
    11,585.72x = 15,988.55 × 6,549.65
  4. Step 4: Simplify right side
    11,585.72x = 104,719,293.82
  5. Step 5: Solve for x
    x = 104,719,293.82/11,585.72
  6. Step 6: Final answer
    x = 9,038.66

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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.