Home / 10,384.26-14,332.32-7,238.67

Finding the Fourth Proportional to 10,384.26, 14,332.32 and 7,238.67

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Solution

The fourth proportional to 10,384.26, 14,332.32 and 7,238.67 is: 9,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.26 : 14,332.32 = 7,238.67 : x
  2. Step 2: Convert to fraction form
    10,384.26/14,332.32 = 7,238.67/x
  3. Step 3: Cross multiply
    10,384.26x = 14,332.32 × 7,238.67
  4. Step 4: Simplify right side
    10,384.26x = 103,746,934.81
  5. Step 5: Solve for x
    x = 103,746,934.81/10,384.26
  6. Step 6: Final answer
    x = 9,990.79

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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.