Home / 12,889.48-19,302.54-6,294.40

Finding the Fourth Proportional to 12,889.48, 19,302.54 and 6,294.40

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Solution

The fourth proportional to 12,889.48, 19,302.54 and 6,294.40 is: 9,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889.48 : 19,302.54 = 6,294.40 : x
  2. Step 2: Convert to fraction form
    12,889.48/19,302.54 = 6,294.40/x
  3. Step 3: Cross multiply
    12,889.48x = 19,302.54 × 6,294.40
  4. Step 4: Simplify right side
    12,889.48x = 121,497,907.78
  5. Step 5: Solve for x
    x = 121,497,907.78/12,889.48
  6. Step 6: Final answer
    x = 9,426.13

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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.