Home / 18,359.79-25,337.53-10,404.58

Finding the Fourth Proportional to 18,359.79, 25,337.53 and 10,404.58

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Solution

The fourth proportional to 18,359.79, 25,337.53 and 10,404.58 is: 14,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.79 : 25,337.53 = 10,404.58 : x
  2. Step 2: Convert to fraction form
    18,359.79/25,337.53 = 10,404.58/x
  3. Step 3: Cross multiply
    18,359.79x = 25,337.53 × 10,404.58
  4. Step 4: Simplify right side
    18,359.79x = 263,626,313.06
  5. Step 5: Solve for x
    x = 263,626,313.06/18,359.79
  6. Step 6: Final answer
    x = 14,358.90

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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.