Home / 15,435.63-23,153.43-5,574.87

Finding the Fourth Proportional to 15,435.63, 23,153.43 and 5,574.87

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Solution

The fourth proportional to 15,435.63, 23,153.43 and 5,574.87 is: 8,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.63 : 23,153.43 = 5,574.87 : x
  2. Step 2: Convert to fraction form
    15,435.63/23,153.43 = 5,574.87/x
  3. Step 3: Cross multiply
    15,435.63x = 23,153.43 × 5,574.87
  4. Step 4: Simplify right side
    15,435.63x = 129,077,362.30
  5. Step 5: Solve for x
    x = 129,077,362.30/15,435.63
  6. Step 6: Final answer
    x = 8,362.30

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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.