Home / 19,018.77-28,531.24-5,868.07

Finding the Fourth Proportional to 19,018.77, 28,531.24 and 5,868.07

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Solution

The fourth proportional to 19,018.77, 28,531.24 and 5,868.07 is: 8,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.77 : 28,531.24 = 5,868.07 : x
  2. Step 2: Convert to fraction form
    19,018.77/28,531.24 = 5,868.07/x
  3. Step 3: Cross multiply
    19,018.77x = 28,531.24 × 5,868.07
  4. Step 4: Simplify right side
    19,018.77x = 167,423,307.75
  5. Step 5: Solve for x
    x = 167,423,307.75/19,018.77
  6. Step 6: Final answer
    x = 8,803.05

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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.