Home / 16,431.40-22,675.54-9,357.84

Finding the Fourth Proportional to 16,431.40, 22,675.54 and 9,357.84

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Solution

The fourth proportional to 16,431.40, 22,675.54 and 9,357.84 is: 12,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.40 : 22,675.54 = 9,357.84 : x
  2. Step 2: Convert to fraction form
    16,431.40/22,675.54 = 9,357.84/x
  3. Step 3: Cross multiply
    16,431.40x = 22,675.54 × 9,357.84
  4. Step 4: Simplify right side
    16,431.40x = 212,194,075.23
  5. Step 5: Solve for x
    x = 212,194,075.23/16,431.40
  6. Step 6: Final answer
    x = 12,913.94

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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.