Home / 10,538.36-15,802.28-3,515.93

Finding the Fourth Proportional to 10,538.36, 15,802.28 and 3,515.93

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Solution

The fourth proportional to 10,538.36, 15,802.28 and 3,515.93 is: 5,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.36 : 15,802.28 = 3,515.93 : x
  2. Step 2: Convert to fraction form
    10,538.36/15,802.28 = 3,515.93/x
  3. Step 3: Cross multiply
    10,538.36x = 15,802.28 × 3,515.93
  4. Step 4: Simplify right side
    10,538.36x = 55,559,692.74
  5. Step 5: Solve for x
    x = 55,559,692.74/10,538.36
  6. Step 6: Final answer
    x = 5,272.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.