Home / 12,964.08-19,428.02-9,798.92

Finding the Fourth Proportional to 12,964.08, 19,428.02 and 9,798.92

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Solution

The fourth proportional to 12,964.08, 19,428.02 and 9,798.92 is: 14,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.08 : 19,428.02 = 9,798.92 : x
  2. Step 2: Convert to fraction form
    12,964.08/19,428.02 = 9,798.92/x
  3. Step 3: Cross multiply
    12,964.08x = 19,428.02 × 9,798.92
  4. Step 4: Simplify right side
    12,964.08x = 190,373,541.10
  5. Step 5: Solve for x
    x = 190,373,541.10/12,964.08
  6. Step 6: Final answer
    x = 14,684.70

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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.