Home / 19,413-29,075.64-15,913.80

Finding the Fourth Proportional to 19,413, 29,075.64 and 15,913.80

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Solution

The fourth proportional to 19,413, 29,075.64 and 15,913.80 is: 23,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413 : 29,075.64 = 15,913.80 : x
  2. Step 2: Convert to fraction form
    19,413/29,075.64 = 15,913.80/x
  3. Step 3: Cross multiply
    19,413x = 29,075.64 × 15,913.80
  4. Step 4: Simplify right side
    19,413x = 462,703,919.83
  5. Step 5: Solve for x
    x = 462,703,919.83/19,413
  6. Step 6: Final answer
    x = 23,834.75

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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.