Home / 19,578.61-27,018.50-10,626.12

Finding the Fourth Proportional to 19,578.61, 27,018.50 and 10,626.12

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Solution

The fourth proportional to 19,578.61, 27,018.50 and 10,626.12 is: 14,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.61 : 27,018.50 = 10,626.12 : x
  2. Step 2: Convert to fraction form
    19,578.61/27,018.50 = 10,626.12/x
  3. Step 3: Cross multiply
    19,578.61x = 27,018.50 × 10,626.12
  4. Step 4: Simplify right side
    19,578.61x = 287,101,688.13
  5. Step 5: Solve for x
    x = 287,101,688.13/19,578.61
  6. Step 6: Final answer
    x = 14,664.05

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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.