Home / 19,130.32-28,695.44-5,090.34

Finding the Fourth Proportional to 19,130.32, 28,695.44 and 5,090.34

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Solution

The fourth proportional to 19,130.32, 28,695.44 and 5,090.34 is: 7,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.32 : 28,695.44 = 5,090.34 : x
  2. Step 2: Convert to fraction form
    19,130.32/28,695.44 = 5,090.34/x
  3. Step 3: Cross multiply
    19,130.32x = 28,695.44 × 5,090.34
  4. Step 4: Simplify right side
    19,130.32x = 146,069,637.75
  5. Step 5: Solve for x
    x = 146,069,637.75/19,130.32
  6. Step 6: Final answer
    x = 7,635.50

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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.