Home / 10,292.24-15,423.60-6,394.40

Finding the Fourth Proportional to 10,292.24, 15,423.60 and 6,394.40

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Solution

The fourth proportional to 10,292.24, 15,423.60 and 6,394.40 is: 9,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.24 : 15,423.60 = 6,394.40 : x
  2. Step 2: Convert to fraction form
    10,292.24/15,423.60 = 6,394.40/x
  3. Step 3: Cross multiply
    10,292.24x = 15,423.60 × 6,394.40
  4. Step 4: Simplify right side
    10,292.24x = 98,624,667.84
  5. Step 5: Solve for x
    x = 98,624,667.84/10,292.24
  6. Step 6: Final answer
    x = 9,582.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.