Home / 10,606.79-15,915.35-4,281.41

Finding the Fourth Proportional to 10,606.79, 15,915.35 and 4,281.41

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Solution

The fourth proportional to 10,606.79, 15,915.35 and 4,281.41 is: 6,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.79 : 15,915.35 = 4,281.41 : x
  2. Step 2: Convert to fraction form
    10,606.79/15,915.35 = 4,281.41/x
  3. Step 3: Cross multiply
    10,606.79x = 15,915.35 × 4,281.41
  4. Step 4: Simplify right side
    10,606.79x = 68,140,189.14
  5. Step 5: Solve for x
    x = 68,140,189.14/10,606.79
  6. Step 6: Final answer
    x = 6,424.20

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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.