Home / 12,030.40-16,591.20-7,554.58

Finding the Fourth Proportional to 12,030.40, 16,591.20 and 7,554.58

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Solution

The fourth proportional to 12,030.40, 16,591.20 and 7,554.58 is: 10,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.40 : 16,591.20 = 7,554.58 : x
  2. Step 2: Convert to fraction form
    12,030.40/16,591.20 = 7,554.58/x
  3. Step 3: Cross multiply
    12,030.40x = 16,591.20 × 7,554.58
  4. Step 4: Simplify right side
    12,030.40x = 125,339,547.70
  5. Step 5: Solve for x
    x = 125,339,547.70/12,030.40
  6. Step 6: Final answer
    x = 10,418.57

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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.