Home / 18,430.96-27,624.84-9,075.28

Finding the Fourth Proportional to 18,430.96, 27,624.84 and 9,075.28

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Solution

The fourth proportional to 18,430.96, 27,624.84 and 9,075.28 is: 13,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.96 : 27,624.84 = 9,075.28 : x
  2. Step 2: Convert to fraction form
    18,430.96/27,624.84 = 9,075.28/x
  3. Step 3: Cross multiply
    18,430.96x = 27,624.84 × 9,075.28
  4. Step 4: Simplify right side
    18,430.96x = 250,703,157.96
  5. Step 5: Solve for x
    x = 250,703,157.96/18,430.96
  6. Step 6: Final answer
    x = 13,602.28

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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.