Home / 19,138.08-26,411.43-10,641.07

Finding the Fourth Proportional to 19,138.08, 26,411.43 and 10,641.07

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Solution

The fourth proportional to 19,138.08, 26,411.43 and 10,641.07 is: 14,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.08 : 26,411.43 = 10,641.07 : x
  2. Step 2: Convert to fraction form
    19,138.08/26,411.43 = 10,641.07/x
  3. Step 3: Cross multiply
    19,138.08x = 26,411.43 × 10,641.07
  4. Step 4: Simplify right side
    19,138.08x = 281,045,869.02
  5. Step 5: Solve for x
    x = 281,045,869.02/19,138.08
  6. Step 6: Final answer
    x = 14,685.16

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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.