Home / 10,276.48-15,412.16-4,435.84

Finding the Fourth Proportional to 10,276.48, 15,412.16 and 4,435.84

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Solution

The fourth proportional to 10,276.48, 15,412.16 and 4,435.84 is: 6,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.48 : 15,412.16 = 4,435.84 : x
  2. Step 2: Convert to fraction form
    10,276.48/15,412.16 = 4,435.84/x
  3. Step 3: Cross multiply
    10,276.48x = 15,412.16 × 4,435.84
  4. Step 4: Simplify right side
    10,276.48x = 68,365,875.81
  5. Step 5: Solve for x
    x = 68,365,875.81/10,276.48
  6. Step 6: Final answer
    x = 6,652.65

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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.