Home / 18,690.93-25,793.47-10,307.43

Finding the Fourth Proportional to 18,690.93, 25,793.47 and 10,307.43

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Solution

The fourth proportional to 18,690.93, 25,793.47 and 10,307.43 is: 14,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.93 : 25,793.47 = 10,307.43 : x
  2. Step 2: Convert to fraction form
    18,690.93/25,793.47 = 10,307.43/x
  3. Step 3: Cross multiply
    18,690.93x = 25,793.47 × 10,307.43
  4. Step 4: Simplify right side
    18,690.93x = 265,864,386.48
  5. Step 5: Solve for x
    x = 265,864,386.48/18,690.93
  6. Step 6: Final answer
    x = 14,224.25

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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.