Home / 13,275.32-19,924.35-7,039.67

Finding the Fourth Proportional to 13,275.32, 19,924.35 and 7,039.67

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Solution

The fourth proportional to 13,275.32, 19,924.35 and 7,039.67 is: 10,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.32 : 19,924.35 = 7,039.67 : x
  2. Step 2: Convert to fraction form
    13,275.32/19,924.35 = 7,039.67/x
  3. Step 3: Cross multiply
    13,275.32x = 19,924.35 × 7,039.67
  4. Step 4: Simplify right side
    13,275.32x = 140,260,722.94
  5. Step 5: Solve for x
    x = 140,260,722.94/13,275.32
  6. Step 6: Final answer
    x = 10,565.53

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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.