Home / 13,065.54-19,603.80-5,666.28

Finding the Fourth Proportional to 13,065.54, 19,603.80 and 5,666.28

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Solution

The fourth proportional to 13,065.54, 19,603.80 and 5,666.28 is: 8,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.54 : 19,603.80 = 5,666.28 : x
  2. Step 2: Convert to fraction form
    13,065.54/19,603.80 = 5,666.28/x
  3. Step 3: Cross multiply
    13,065.54x = 19,603.80 × 5,666.28
  4. Step 4: Simplify right side
    13,065.54x = 111,080,619.86
  5. Step 5: Solve for x
    x = 111,080,619.86/13,065.54
  6. Step 6: Final answer
    x = 8,501.80

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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.