Home / 10,225.22-15,328.26-9,312.15

Finding the Fourth Proportional to 10,225.22, 15,328.26 and 9,312.15

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Solution

The fourth proportional to 10,225.22, 15,328.26 and 9,312.15 is: 13,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.22 : 15,328.26 = 9,312.15 : x
  2. Step 2: Convert to fraction form
    10,225.22/15,328.26 = 9,312.15/x
  3. Step 3: Cross multiply
    10,225.22x = 15,328.26 × 9,312.15
  4. Step 4: Simplify right side
    10,225.22x = 142,739,056.36
  5. Step 5: Solve for x
    x = 142,739,056.36/10,225.22
  6. Step 6: Final answer
    x = 13,959.52

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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.