Home / 10,318.89-14,240.10-5,603.07

Finding the Fourth Proportional to 10,318.89, 14,240.10 and 5,603.07

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Solution

The fourth proportional to 10,318.89, 14,240.10 and 5,603.07 is: 7,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.89 : 14,240.10 = 5,603.07 : x
  2. Step 2: Convert to fraction form
    10,318.89/14,240.10 = 5,603.07/x
  3. Step 3: Cross multiply
    10,318.89x = 14,240.10 × 5,603.07
  4. Step 4: Simplify right side
    10,318.89x = 79,788,277.11
  5. Step 5: Solve for x
    x = 79,788,277.11/10,318.89
  6. Step 6: Final answer
    x = 7,732.25

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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.