Home / 14,705.60-22,072.80-7,318.40

Finding the Fourth Proportional to 14,705.60, 22,072.80 and 7,318.40

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Solution

The fourth proportional to 14,705.60, 22,072.80 and 7,318.40 is: 10,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.60 : 22,072.80 = 7,318.40 : x
  2. Step 2: Convert to fraction form
    14,705.60/22,072.80 = 7,318.40/x
  3. Step 3: Cross multiply
    14,705.60x = 22,072.80 × 7,318.40
  4. Step 4: Simplify right side
    14,705.60x = 161,537,579.52
  5. Step 5: Solve for x
    x = 161,537,579.52/14,705.60
  6. Step 6: Final answer
    x = 10,984.77

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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.