Home / 18,419.90-25,417.60-10,460.57

Finding the Fourth Proportional to 18,419.90, 25,417.60 and 10,460.57

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Solution

The fourth proportional to 18,419.90, 25,417.60 and 10,460.57 is: 14,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.90 : 25,417.60 = 10,460.57 : x
  2. Step 2: Convert to fraction form
    18,419.90/25,417.60 = 10,460.57/x
  3. Step 3: Cross multiply
    18,419.90x = 25,417.60 × 10,460.57
  4. Step 4: Simplify right side
    18,419.90x = 265,882,430.79
  5. Step 5: Solve for x
    x = 265,882,430.79/18,419.90
  6. Step 6: Final answer
    x = 14,434.52

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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.