Home / 15,138.63-22,698.23-10,445.49

Finding the Fourth Proportional to 15,138.63, 22,698.23 and 10,445.49

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Solution

The fourth proportional to 15,138.63, 22,698.23 and 10,445.49 is: 15,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.63 : 22,698.23 = 10,445.49 : x
  2. Step 2: Convert to fraction form
    15,138.63/22,698.23 = 10,445.49/x
  3. Step 3: Cross multiply
    15,138.63x = 22,698.23 × 10,445.49
  4. Step 4: Simplify right side
    15,138.63x = 237,094,082.26
  5. Step 5: Solve for x
    x = 237,094,082.26/15,138.63
  6. Step 6: Final answer
    x = 15,661.53

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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.