Home / 13,368.04-20,045.31-7,823.05

Finding the Fourth Proportional to 13,368.04, 20,045.31 and 7,823.05

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Solution

The fourth proportional to 13,368.04, 20,045.31 and 7,823.05 is: 11,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.04 : 20,045.31 = 7,823.05 : x
  2. Step 2: Convert to fraction form
    13,368.04/20,045.31 = 7,823.05/x
  3. Step 3: Cross multiply
    13,368.04x = 20,045.31 × 7,823.05
  4. Step 4: Simplify right side
    13,368.04x = 156,815,462.40
  5. Step 5: Solve for x
    x = 156,815,462.40/13,368.04
  6. Step 6: Final answer
    x = 11,730.62

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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.