Home / 19,118.73-26,382.95-10,621.40

Finding the Fourth Proportional to 19,118.73, 26,382.95 and 10,621.40

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Solution

The fourth proportional to 19,118.73, 26,382.95 and 10,621.40 is: 14,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.73 : 26,382.95 = 10,621.40 : x
  2. Step 2: Convert to fraction form
    19,118.73/26,382.95 = 10,621.40/x
  3. Step 3: Cross multiply
    19,118.73x = 26,382.95 × 10,621.40
  4. Step 4: Simplify right side
    19,118.73x = 280,223,865.13
  5. Step 5: Solve for x
    x = 280,223,865.13/19,118.73
  6. Step 6: Final answer
    x = 14,657.03

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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.