Home / 11,386.17-15,709.95-6,667.92

Finding the Fourth Proportional to 11,386.17, 15,709.95 and 6,667.92

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Solution

The fourth proportional to 11,386.17, 15,709.95 and 6,667.92 is: 9,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.17 : 15,709.95 = 6,667.92 : x
  2. Step 2: Convert to fraction form
    11,386.17/15,709.95 = 6,667.92/x
  3. Step 3: Cross multiply
    11,386.17x = 15,709.95 × 6,667.92
  4. Step 4: Simplify right side
    11,386.17x = 104,752,689.80
  5. Step 5: Solve for x
    x = 104,752,689.80/11,386.17
  6. Step 6: Final answer
    x = 9,199.99

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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.