Home / 13,482.84-18,595.80-8,768.64

Finding the Fourth Proportional to 13,482.84, 18,595.80 and 8,768.64

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Solution

The fourth proportional to 13,482.84, 18,595.80 and 8,768.64 is: 12,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.84 : 18,595.80 = 8,768.64 : x
  2. Step 2: Convert to fraction form
    13,482.84/18,595.80 = 8,768.64/x
  3. Step 3: Cross multiply
    13,482.84x = 18,595.80 × 8,768.64
  4. Step 4: Simplify right side
    13,482.84x = 163,059,875.71
  5. Step 5: Solve for x
    x = 163,059,875.71/13,482.84
  6. Step 6: Final answer
    x = 12,093.88

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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.