Home / 10,384.50-14,330.75-5,668.91

Finding the Fourth Proportional to 10,384.50, 14,330.75 and 5,668.91

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Solution

The fourth proportional to 10,384.50, 14,330.75 and 5,668.91 is: 7,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.50 : 14,330.75 = 5,668.91 : x
  2. Step 2: Convert to fraction form
    10,384.50/14,330.75 = 5,668.91/x
  3. Step 3: Cross multiply
    10,384.50x = 14,330.75 × 5,668.91
  4. Step 4: Simplify right side
    10,384.50x = 81,239,631.98
  5. Step 5: Solve for x
    x = 81,239,631.98/10,384.50
  6. Step 6: Final answer
    x = 7,823.16

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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.