Home / 10,666.88-16,004.47-4,425.32

Finding the Fourth Proportional to 10,666.88, 16,004.47 and 4,425.32

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Solution

The fourth proportional to 10,666.88, 16,004.47 and 4,425.32 is: 6,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.88 : 16,004.47 = 4,425.32 : x
  2. Step 2: Convert to fraction form
    10,666.88/16,004.47 = 4,425.32/x
  3. Step 3: Cross multiply
    10,666.88x = 16,004.47 × 4,425.32
  4. Step 4: Simplify right side
    10,666.88x = 70,824,901.18
  5. Step 5: Solve for x
    x = 70,824,901.18/10,666.88
  6. Step 6: Final answer
    x = 6,639.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.