Home / 15,314.66-23,015.34-9,075.86

Finding the Fourth Proportional to 15,314.66, 23,015.34 and 9,075.86

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Solution

The fourth proportional to 15,314.66, 23,015.34 and 9,075.86 is: 13,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.66 : 23,015.34 = 9,075.86 : x
  2. Step 2: Convert to fraction form
    15,314.66/23,015.34 = 9,075.86/x
  3. Step 3: Cross multiply
    15,314.66x = 23,015.34 × 9,075.86
  4. Step 4: Simplify right side
    15,314.66x = 208,884,003.69
  5. Step 5: Solve for x
    x = 208,884,003.69/15,314.66
  6. Step 6: Final answer
    x = 13,639.48

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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.