Home / 10,308.02-15,461.76-2,912.36

Finding the Fourth Proportional to 10,308.02, 15,461.76 and 2,912.36

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Solution

The fourth proportional to 10,308.02, 15,461.76 and 2,912.36 is: 4,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.02 : 15,461.76 = 2,912.36 : x
  2. Step 2: Convert to fraction form
    10,308.02/15,461.76 = 2,912.36/x
  3. Step 3: Cross multiply
    10,308.02x = 15,461.76 × 2,912.36
  4. Step 4: Simplify right side
    10,308.02x = 45,030,211.35
  5. Step 5: Solve for x
    x = 45,030,211.35/10,308.02
  6. Step 6: Final answer
    x = 4,368.46

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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.