Home / 10,356.30-15,504.08-9,287.51

Finding the Fourth Proportional to 10,356.30, 15,504.08 and 9,287.51

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Solution

The fourth proportional to 10,356.30, 15,504.08 and 9,287.51 is: 13,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.30 : 15,504.08 = 9,287.51 : x
  2. Step 2: Convert to fraction form
    10,356.30/15,504.08 = 9,287.51/x
  3. Step 3: Cross multiply
    10,356.30x = 15,504.08 × 9,287.51
  4. Step 4: Simplify right side
    10,356.30x = 143,994,174.08
  5. Step 5: Solve for x
    x = 143,994,174.08/10,356.30
  6. Step 6: Final answer
    x = 13,904.02

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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.