Home / 19,490.60-26,903.95-11,532.81

Finding the Fourth Proportional to 19,490.60, 26,903.95 and 11,532.81

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Solution

The fourth proportional to 19,490.60, 26,903.95 and 11,532.81 is: 15,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.60 : 26,903.95 = 11,532.81 : x
  2. Step 2: Convert to fraction form
    19,490.60/26,903.95 = 11,532.81/x
  3. Step 3: Cross multiply
    19,490.60x = 26,903.95 × 11,532.81
  4. Step 4: Simplify right side
    19,490.60x = 310,278,114.77
  5. Step 5: Solve for x
    x = 310,278,114.77/19,490.60
  6. Step 6: Final answer
    x = 15,919.37

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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.