Home / 18,869.31-26,038.94-10,486.35

Finding the Fourth Proportional to 18,869.31, 26,038.94 and 10,486.35

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Solution

The fourth proportional to 18,869.31, 26,038.94 and 10,486.35 is: 14,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.31 : 26,038.94 = 10,486.35 : x
  2. Step 2: Convert to fraction form
    18,869.31/26,038.94 = 10,486.35/x
  3. Step 3: Cross multiply
    18,869.31x = 26,038.94 × 10,486.35
  4. Step 4: Simplify right side
    18,869.31x = 273,053,386.04
  5. Step 5: Solve for x
    x = 273,053,386.04/18,869.31
  6. Step 6: Final answer
    x = 14,470.77

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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.