Home / 10,713.45-14,783.47-6,176.64

Finding the Fourth Proportional to 10,713.45, 14,783.47 and 6,176.64

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Solution

The fourth proportional to 10,713.45, 14,783.47 and 6,176.64 is: 8,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.45 : 14,783.47 = 6,176.64 : x
  2. Step 2: Convert to fraction form
    10,713.45/14,783.47 = 6,176.64/x
  3. Step 3: Cross multiply
    10,713.45x = 14,783.47 × 6,176.64
  4. Step 4: Simplify right side
    10,713.45x = 91,312,156.70
  5. Step 5: Solve for x
    x = 91,312,156.70/10,713.45
  6. Step 6: Final answer
    x = 8,523.13

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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.