Home / 10,329.58-14,271.52-7,199.74

Finding the Fourth Proportional to 10,329.58, 14,271.52 and 7,199.74

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Solution

The fourth proportional to 10,329.58, 14,271.52 and 7,199.74 is: 9,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.58 : 14,271.52 = 7,199.74 : x
  2. Step 2: Convert to fraction form
    10,329.58/14,271.52 = 7,199.74/x
  3. Step 3: Cross multiply
    10,329.58x = 14,271.52 × 7,199.74
  4. Step 4: Simplify right side
    10,329.58x = 102,751,233.40
  5. Step 5: Solve for x
    x = 102,751,233.40/10,329.58
  6. Step 6: Final answer
    x = 9,947.28

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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.