Home / 19,018.18-28,530.36-5,867.50

Finding the Fourth Proportional to 19,018.18, 28,530.36 and 5,867.50

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Solution

The fourth proportional to 19,018.18, 28,530.36 and 5,867.50 is: 8,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.18 : 28,530.36 = 5,867.50 : x
  2. Step 2: Convert to fraction form
    19,018.18/28,530.36 = 5,867.50/x
  3. Step 3: Cross multiply
    19,018.18x = 28,530.36 × 5,867.50
  4. Step 4: Simplify right side
    19,018.18x = 167,401,887.30
  5. Step 5: Solve for x
    x = 167,401,887.30/19,018.18
  6. Step 6: Final answer
    x = 8,802.20

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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.