Home / 10,639.04-14,681.40-5,923.04

Finding the Fourth Proportional to 10,639.04, 14,681.40 and 5,923.04

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Solution

The fourth proportional to 10,639.04, 14,681.40 and 5,923.04 is: 8,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.04 : 14,681.40 = 5,923.04 : x
  2. Step 2: Convert to fraction form
    10,639.04/14,681.40 = 5,923.04/x
  3. Step 3: Cross multiply
    10,639.04x = 14,681.40 × 5,923.04
  4. Step 4: Simplify right side
    10,639.04x = 86,958,519.46
  5. Step 5: Solve for x
    x = 86,958,519.46/10,639.04
  6. Step 6: Final answer
    x = 8,173.53

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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.