Home / 19,070.40-28,602.54-5,216.16

Finding the Fourth Proportional to 19,070.40, 28,602.54 and 5,216.16

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Solution

The fourth proportional to 19,070.40, 28,602.54 and 5,216.16 is: 7,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.40 : 28,602.54 = 5,216.16 : x
  2. Step 2: Convert to fraction form
    19,070.40/28,602.54 = 5,216.16/x
  3. Step 3: Cross multiply
    19,070.40x = 28,602.54 × 5,216.16
  4. Step 4: Simplify right side
    19,070.40x = 149,195,425.05
  5. Step 5: Solve for x
    x = 149,195,425.05/19,070.40
  6. Step 6: Final answer
    x = 7,823.40

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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.