Home / 18,854.40-26,019.78-10,357.22

Finding the Fourth Proportional to 18,854.40, 26,019.78 and 10,357.22

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Solution

The fourth proportional to 18,854.40, 26,019.78 and 10,357.22 is: 14,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.40 : 26,019.78 = 10,357.22 : x
  2. Step 2: Convert to fraction form
    18,854.40/26,019.78 = 10,357.22/x
  3. Step 3: Cross multiply
    18,854.40x = 26,019.78 × 10,357.22
  4. Step 4: Simplify right side
    18,854.40x = 269,492,585.81
  5. Step 5: Solve for x
    x = 269,492,585.81/18,854.40
  6. Step 6: Final answer
    x = 14,293.35

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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.