Home / 12,411.73-18,607.13-5,386.45

Finding the Fourth Proportional to 12,411.73, 18,607.13 and 5,386.45

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Solution

The fourth proportional to 12,411.73, 18,607.13 and 5,386.45 is: 8,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.73 : 18,607.13 = 5,386.45 : x
  2. Step 2: Convert to fraction form
    12,411.73/18,607.13 = 5,386.45/x
  3. Step 3: Cross multiply
    12,411.73x = 18,607.13 × 5,386.45
  4. Step 4: Simplify right side
    12,411.73x = 100,226,301.94
  5. Step 5: Solve for x
    x = 100,226,301.94/12,411.73
  6. Step 6: Final answer
    x = 8,075.13

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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.