Home / 9,356.63-12,911.61-5,106.85

Finding the Fourth Proportional to 9,356.63, 12,911.61 and 5,106.85

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Solution

The fourth proportional to 9,356.63, 12,911.61 and 5,106.85 is: 7,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.63 : 12,911.61 = 5,106.85 : x
  2. Step 2: Convert to fraction form
    9,356.63/12,911.61 = 5,106.85/x
  3. Step 3: Cross multiply
    9,356.63x = 12,911.61 × 5,106.85
  4. Step 4: Simplify right side
    9,356.63x = 65,937,655.53
  5. Step 5: Solve for x
    x = 65,937,655.53/9,356.63
  6. Step 6: Final answer
    x = 7,047.16

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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.