Home / 12,069.51-16,657.85-7,036.67

Finding the Fourth Proportional to 12,069.51, 16,657.85 and 7,036.67

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Solution

The fourth proportional to 12,069.51, 16,657.85 and 7,036.67 is: 9,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.51 : 16,657.85 = 7,036.67 : x
  2. Step 2: Convert to fraction form
    12,069.51/16,657.85 = 7,036.67/x
  3. Step 3: Cross multiply
    12,069.51x = 16,657.85 × 7,036.67
  4. Step 4: Simplify right side
    12,069.51x = 117,215,793.36
  5. Step 5: Solve for x
    x = 117,215,793.36/12,069.51
  6. Step 6: Final answer
    x = 9,711.73

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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.