Home / 12,888.08-19,317.36-5,948

Finding the Fourth Proportional to 12,888.08, 19,317.36 and 5,948

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Solution

The fourth proportional to 12,888.08, 19,317.36 and 5,948 is: 8,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.08 : 19,317.36 = 5,948 : x
  2. Step 2: Convert to fraction form
    12,888.08/19,317.36 = 5,948/x
  3. Step 3: Cross multiply
    12,888.08x = 19,317.36 × 5,948
  4. Step 4: Simplify right side
    12,888.08x = 114,899,657.28
  5. Step 5: Solve for x
    x = 114,899,657.28/12,888.08
  6. Step 6: Final answer
    x = 8,915.19

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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.