Home / 19,019.36-28,518.06-5,868.20

Finding the Fourth Proportional to 19,019.36, 28,518.06 and 5,868.20

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Solution

The fourth proportional to 19,019.36, 28,518.06 and 5,868.20 is: 8,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.36 : 28,518.06 = 5,868.20 : x
  2. Step 2: Convert to fraction form
    19,019.36/28,518.06 = 5,868.20/x
  3. Step 3: Cross multiply
    19,019.36x = 28,518.06 × 5,868.20
  4. Step 4: Simplify right side
    19,019.36x = 167,349,679.69
  5. Step 5: Solve for x
    x = 167,349,679.69/19,019.36
  6. Step 6: Final answer
    x = 8,798.91

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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.