Home / 19,461.07-26,846.05-12,288.40

Finding the Fourth Proportional to 19,461.07, 26,846.05 and 12,288.40

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Solution

The fourth proportional to 19,461.07, 26,846.05 and 12,288.40 is: 16,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.07 : 26,846.05 = 12,288.40 : x
  2. Step 2: Convert to fraction form
    19,461.07/26,846.05 = 12,288.40/x
  3. Step 3: Cross multiply
    19,461.07x = 26,846.05 × 12,288.40
  4. Step 4: Simplify right side
    19,461.07x = 329,894,805.15
  5. Step 5: Solve for x
    x = 329,894,805.15/19,461.07
  6. Step 6: Final answer
    x = 16,951.52

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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.