Home / 19,130.58-28,702.35-9,774.54

Finding the Fourth Proportional to 19,130.58, 28,702.35 and 9,774.54

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Solution

The fourth proportional to 19,130.58, 28,702.35 and 9,774.54 is: 14,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.58 : 28,702.35 = 9,774.54 : x
  2. Step 2: Convert to fraction form
    19,130.58/28,702.35 = 9,774.54/x
  3. Step 3: Cross multiply
    19,130.58x = 28,702.35 × 9,774.54
  4. Step 4: Simplify right side
    19,130.58x = 280,552,268.17
  5. Step 5: Solve for x
    x = 280,552,268.17/19,130.58
  6. Step 6: Final answer
    x = 14,665.12

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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.