Home / 13,368.07-20,045.36-7,823.08

Finding the Fourth Proportional to 13,368.07, 20,045.36 and 7,823.08

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Solution

The fourth proportional to 13,368.07, 20,045.36 and 7,823.08 is: 11,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.07 : 20,045.36 = 7,823.08 : x
  2. Step 2: Convert to fraction form
    13,368.07/20,045.36 = 7,823.08/x
  3. Step 3: Cross multiply
    13,368.07x = 20,045.36 × 7,823.08
  4. Step 4: Simplify right side
    13,368.07x = 156,816,455.52
  5. Step 5: Solve for x
    x = 156,816,455.52/13,368.07
  6. Step 6: Final answer
    x = 11,730.67

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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.