Home / 10,369.72-14,304-7,533.28

Finding the Fourth Proportional to 10,369.72, 14,304 and 7,533.28

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Solution

The fourth proportional to 10,369.72, 14,304 and 7,533.28 is: 10,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.72 : 14,304 = 7,533.28 : x
  2. Step 2: Convert to fraction form
    10,369.72/14,304 = 7,533.28/x
  3. Step 3: Cross multiply
    10,369.72x = 14,304 × 7,533.28
  4. Step 4: Simplify right side
    10,369.72x = 107,756,037.12
  5. Step 5: Solve for x
    x = 107,756,037.12/10,369.72
  6. Step 6: Final answer
    x = 10,391.41

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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.