Home / 10,580.40-14,628.80-9,268.20

Finding the Fourth Proportional to 10,580.40, 14,628.80 and 9,268.20

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Solution

The fourth proportional to 10,580.40, 14,628.80 and 9,268.20 is: 12,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.40 : 14,628.80 = 9,268.20 : x
  2. Step 2: Convert to fraction form
    10,580.40/14,628.80 = 9,268.20/x
  3. Step 3: Cross multiply
    10,580.40x = 14,628.80 × 9,268.20
  4. Step 4: Simplify right side
    10,580.40x = 135,582,644.16
  5. Step 5: Solve for x
    x = 135,582,644.16/10,580.40
  6. Step 6: Final answer
    x = 12,814.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.