Home / 10,228.29-15,360.93-9,405.06

Finding the Fourth Proportional to 10,228.29, 15,360.93 and 9,405.06

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Solution

The fourth proportional to 10,228.29, 15,360.93 and 9,405.06 is: 14,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.29 : 15,360.93 = 9,405.06 : x
  2. Step 2: Convert to fraction form
    10,228.29/15,360.93 = 9,405.06/x
  3. Step 3: Cross multiply
    10,228.29x = 15,360.93 × 9,405.06
  4. Step 4: Simplify right side
    10,228.29x = 144,470,468.31
  5. Step 5: Solve for x
    x = 144,470,468.31/10,228.29
  6. Step 6: Final answer
    x = 14,124.60

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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.