Home / 13,294.06-19,784.15-12,851.12

Finding the Fourth Proportional to 13,294.06, 19,784.15 and 12,851.12

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Solution

The fourth proportional to 13,294.06, 19,784.15 and 12,851.12 is: 19,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.06 : 19,784.15 = 12,851.12 : x
  2. Step 2: Convert to fraction form
    13,294.06/19,784.15 = 12,851.12/x
  3. Step 3: Cross multiply
    13,294.06x = 19,784.15 × 12,851.12
  4. Step 4: Simplify right side
    13,294.06x = 254,248,519.14
  5. Step 5: Solve for x
    x = 254,248,519.14/13,294.06
  6. Step 6: Final answer
    x = 19,124.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.