Home / 13,184.84-19,785.04-4,870.74

Finding the Fourth Proportional to 13,184.84, 19,785.04 and 4,870.74

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Solution

The fourth proportional to 13,184.84, 19,785.04 and 4,870.74 is: 7,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.84 : 19,785.04 = 4,870.74 : x
  2. Step 2: Convert to fraction form
    13,184.84/19,785.04 = 4,870.74/x
  3. Step 3: Cross multiply
    13,184.84x = 19,785.04 × 4,870.74
  4. Step 4: Simplify right side
    13,184.84x = 96,367,785.73
  5. Step 5: Solve for x
    x = 96,367,785.73/13,184.84
  6. Step 6: Final answer
    x = 7,308.98

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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.