Home / 18,730.24-25,848.51-10,772.47

Finding the Fourth Proportional to 18,730.24, 25,848.51 and 10,772.47

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Solution

The fourth proportional to 18,730.24, 25,848.51 and 10,772.47 is: 14,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.24 : 25,848.51 = 10,772.47 : x
  2. Step 2: Convert to fraction form
    18,730.24/25,848.51 = 10,772.47/x
  3. Step 3: Cross multiply
    18,730.24x = 25,848.51 × 10,772.47
  4. Step 4: Simplify right side
    18,730.24x = 278,452,298.52
  5. Step 5: Solve for x
    x = 278,452,298.52/18,730.24
  6. Step 6: Final answer
    x = 14,866.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.