Home / 10,560.81-14,568.18-6,784.57

Finding the Fourth Proportional to 10,560.81, 14,568.18 and 6,784.57

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Solution

The fourth proportional to 10,560.81, 14,568.18 and 6,784.57 is: 9,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.81 : 14,568.18 = 6,784.57 : x
  2. Step 2: Convert to fraction form
    10,560.81/14,568.18 = 6,784.57/x
  3. Step 3: Cross multiply
    10,560.81x = 14,568.18 × 6,784.57
  4. Step 4: Simplify right side
    10,560.81x = 98,838,836.98
  5. Step 5: Solve for x
    x = 98,838,836.98/10,560.81
  6. Step 6: Final answer
    x = 9,359.02

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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.