Home / 13,239.16-18,289.02-10,583.08

Finding the Fourth Proportional to 13,239.16, 18,289.02 and 10,583.08

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Solution

The fourth proportional to 13,239.16, 18,289.02 and 10,583.08 is: 14,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.16 : 18,289.02 = 10,583.08 : x
  2. Step 2: Convert to fraction form
    13,239.16/18,289.02 = 10,583.08/x
  3. Step 3: Cross multiply
    13,239.16x = 18,289.02 × 10,583.08
  4. Step 4: Simplify right side
    13,239.16x = 193,554,161.78
  5. Step 5: Solve for x
    x = 193,554,161.78/13,239.16
  6. Step 6: Final answer
    x = 14,619.82

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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.