Home / 15,383.60-23,075.07-4,290.00

Finding the Fourth Proportional to 15,383.60, 23,075.07 and 4,290.00

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Solution

The fourth proportional to 15,383.60, 23,075.07 and 4,290.00 is: 6,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.60 : 23,075.07 = 4,290.00 : x
  2. Step 2: Convert to fraction form
    15,383.60/23,075.07 = 4,290.00/x
  3. Step 3: Cross multiply
    15,383.60x = 23,075.07 × 4,290.00
  4. Step 4: Simplify right side
    15,383.60x = 98,991,945.65
  5. Step 5: Solve for x
    x = 98,991,945.65/15,383.60
  6. Step 6: Final answer
    x = 6,434.90

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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.