Home / 10,423.64-14,384.66-5,708.23

Finding the Fourth Proportional to 10,423.64, 14,384.66 and 5,708.23

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Solution

The fourth proportional to 10,423.64, 14,384.66 and 5,708.23 is: 7,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.64 : 14,384.66 = 5,708.23 : x
  2. Step 2: Convert to fraction form
    10,423.64/14,384.66 = 5,708.23/x
  3. Step 3: Cross multiply
    10,423.64x = 14,384.66 × 5,708.23
  4. Step 4: Simplify right side
    10,423.64x = 82,110,947.75
  5. Step 5: Solve for x
    x = 82,110,947.75/10,423.64
  6. Step 6: Final answer
    x = 7,877.38

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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.