Home / 9,368.58-12,929.31-5,176.74

Finding the Fourth Proportional to 9,368.58, 12,929.31 and 5,176.74

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Solution

The fourth proportional to 9,368.58, 12,929.31 and 5,176.74 is: 7,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.58 : 12,929.31 = 5,176.74 : x
  2. Step 2: Convert to fraction form
    9,368.58/12,929.31 = 5,176.74/x
  3. Step 3: Cross multiply
    9,368.58x = 12,929.31 × 5,176.74
  4. Step 4: Simplify right side
    9,368.58x = 66,931,676.25
  5. Step 5: Solve for x
    x = 66,931,676.25/9,368.58
  6. Step 6: Final answer
    x = 7,144.27

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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.