Home / 10,836.64-14,946.96-6,646.56

Finding the Fourth Proportional to 10,836.64, 14,946.96 and 6,646.56

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Solution

The fourth proportional to 10,836.64, 14,946.96 and 6,646.56 is: 9,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.64 : 14,946.96 = 6,646.56 : x
  2. Step 2: Convert to fraction form
    10,836.64/14,946.96 = 6,646.56/x
  3. Step 3: Cross multiply
    10,836.64x = 14,946.96 × 6,646.56
  4. Step 4: Simplify right side
    10,836.64x = 99,345,866.46
  5. Step 5: Solve for x
    x = 99,345,866.46/10,836.64
  6. Step 6: Final answer
    x = 9,167.59

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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.