Home / 17,828.40-24,602.84-9,870.44

Finding the Fourth Proportional to 17,828.40, 24,602.84 and 9,870.44

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Solution

The fourth proportional to 17,828.40, 24,602.84 and 9,870.44 is: 13,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.40 : 24,602.84 = 9,870.44 : x
  2. Step 2: Convert to fraction form
    17,828.40/24,602.84 = 9,870.44/x
  3. Step 3: Cross multiply
    17,828.40x = 24,602.84 × 9,870.44
  4. Step 4: Simplify right side
    17,828.40x = 242,840,856.05
  5. Step 5: Solve for x
    x = 242,840,856.05/17,828.40
  6. Step 6: Final answer
    x = 13,621.01

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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.