Home / 9,415.13-14,136.56-5,263.26

Finding the Fourth Proportional to 9,415.13, 14,136.56 and 5,263.26

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Solution

The fourth proportional to 9,415.13, 14,136.56 and 5,263.26 is: 7,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.13 : 14,136.56 = 5,263.26 : x
  2. Step 2: Convert to fraction form
    9,415.13/14,136.56 = 5,263.26/x
  3. Step 3: Cross multiply
    9,415.13x = 14,136.56 × 5,263.26
  4. Step 4: Simplify right side
    9,415.13x = 74,404,364.47
  5. Step 5: Solve for x
    x = 74,404,364.47/9,415.13
  6. Step 6: Final answer
    x = 7,902.64

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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.