Home / 10,287.06-15,424.65-9,056.94

Finding the Fourth Proportional to 10,287.06, 15,424.65 and 9,056.94

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Solution

The fourth proportional to 10,287.06, 15,424.65 and 9,056.94 is: 13,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.06 : 15,424.65 = 9,056.94 : x
  2. Step 2: Convert to fraction form
    10,287.06/15,424.65 = 9,056.94/x
  3. Step 3: Cross multiply
    10,287.06x = 15,424.65 × 9,056.94
  4. Step 4: Simplify right side
    10,287.06x = 139,700,129.57
  5. Step 5: Solve for x
    x = 139,700,129.57/10,287.06
  6. Step 6: Final answer
    x = 13,580.18

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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.