Home / 10,603.06-15,825.91-9,357.55

Finding the Fourth Proportional to 10,603.06, 15,825.91 and 9,357.55

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Solution

The fourth proportional to 10,603.06, 15,825.91 and 9,357.55 is: 13,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.06 : 15,825.91 = 9,357.55 : x
  2. Step 2: Convert to fraction form
    10,603.06/15,825.91 = 9,357.55/x
  3. Step 3: Cross multiply
    10,603.06x = 15,825.91 × 9,357.55
  4. Step 4: Simplify right side
    10,603.06x = 148,091,744.12
  5. Step 5: Solve for x
    x = 148,091,744.12/10,603.06
  6. Step 6: Final answer
    x = 13,966.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.