Home / 10,306.89-15,460.43-6,818.94

Finding the Fourth Proportional to 10,306.89, 15,460.43 and 6,818.94

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Solution

The fourth proportional to 10,306.89, 15,460.43 and 6,818.94 is: 10,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.89 : 15,460.43 = 6,818.94 : x
  2. Step 2: Convert to fraction form
    10,306.89/15,460.43 = 6,818.94/x
  3. Step 3: Cross multiply
    10,306.89x = 15,460.43 × 6,818.94
  4. Step 4: Simplify right side
    10,306.89x = 105,423,710.45
  5. Step 5: Solve for x
    x = 105,423,710.45/10,306.89
  6. Step 6: Final answer
    x = 10,228.47

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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.