Home / 12,962.60-19,427.72-5,558.47

Finding the Fourth Proportional to 12,962.60, 19,427.72 and 5,558.47

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Solution

The fourth proportional to 12,962.60, 19,427.72 and 5,558.47 is: 8,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.60 : 19,427.72 = 5,558.47 : x
  2. Step 2: Convert to fraction form
    12,962.60/19,427.72 = 5,558.47/x
  3. Step 3: Cross multiply
    12,962.60x = 19,427.72 × 5,558.47
  4. Step 4: Simplify right side
    12,962.60x = 107,988,431.71
  5. Step 5: Solve for x
    x = 107,988,431.71/12,962.60
  6. Step 6: Final answer
    x = 8,330.77

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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.