Home / 19,001.70-26,225.51-12,288.83

Finding the Fourth Proportional to 19,001.70, 26,225.51 and 12,288.83

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Solution

The fourth proportional to 19,001.70, 26,225.51 and 12,288.83 is: 16,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.70 : 26,225.51 = 12,288.83 : x
  2. Step 2: Convert to fraction form
    19,001.70/26,225.51 = 12,288.83/x
  3. Step 3: Cross multiply
    19,001.70x = 26,225.51 × 12,288.83
  4. Step 4: Simplify right side
    19,001.70x = 322,280,641.48
  5. Step 5: Solve for x
    x = 322,280,641.48/19,001.70
  6. Step 6: Final answer
    x = 16,960.62

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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.