Home / 12,210.28-16,849.02-9,698.47

Finding the Fourth Proportional to 12,210.28, 16,849.02 and 9,698.47

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Solution

The fourth proportional to 12,210.28, 16,849.02 and 9,698.47 is: 13,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.28 : 16,849.02 = 9,698.47 : x
  2. Step 2: Convert to fraction form
    12,210.28/16,849.02 = 9,698.47/x
  3. Step 3: Cross multiply
    12,210.28x = 16,849.02 × 9,698.47
  4. Step 4: Simplify right side
    12,210.28x = 163,409,715.00
  5. Step 5: Solve for x
    x = 163,409,715.00/12,210.28
  6. Step 6: Final answer
    x = 13,382.96

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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.