Home / 10,389.51-15,561.02-4,834.53

Finding the Fourth Proportional to 10,389.51, 15,561.02 and 4,834.53

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Solution

The fourth proportional to 10,389.51, 15,561.02 and 4,834.53 is: 7,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.51 : 15,561.02 = 4,834.53 : x
  2. Step 2: Convert to fraction form
    10,389.51/15,561.02 = 4,834.53/x
  3. Step 3: Cross multiply
    10,389.51x = 15,561.02 × 4,834.53
  4. Step 4: Simplify right side
    10,389.51x = 75,230,218.02
  5. Step 5: Solve for x
    x = 75,230,218.02/10,389.51
  6. Step 6: Final answer
    x = 7,240.98

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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.