Home / 15,879.02-21,900.36-10,848.92

Finding the Fourth Proportional to 15,879.02, 21,900.36 and 10,848.92

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Solution

The fourth proportional to 15,879.02, 21,900.36 and 10,848.92 is: 14,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.02 : 21,900.36 = 10,848.92 : x
  2. Step 2: Convert to fraction form
    15,879.02/21,900.36 = 10,848.92/x
  3. Step 3: Cross multiply
    15,879.02x = 21,900.36 × 10,848.92
  4. Step 4: Simplify right side
    15,879.02x = 237,595,253.61
  5. Step 5: Solve for x
    x = 237,595,253.61/15,879.02
  6. Step 6: Final answer
    x = 14,962.84

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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.