Home / 10,966.04-15,130.72-6,486.72

Finding the Fourth Proportional to 10,966.04, 15,130.72 and 6,486.72

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Solution

The fourth proportional to 10,966.04, 15,130.72 and 6,486.72 is: 8,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.04 : 15,130.72 = 6,486.72 : x
  2. Step 2: Convert to fraction form
    10,966.04/15,130.72 = 6,486.72/x
  3. Step 3: Cross multiply
    10,966.04x = 15,130.72 × 6,486.72
  4. Step 4: Simplify right side
    10,966.04x = 98,148,744.04
  5. Step 5: Solve for x
    x = 98,148,744.04/10,966.04
  6. Step 6: Final answer
    x = 8,950.24

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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.