Home / 19,119.93-28,683.95-5,973.30

Finding the Fourth Proportional to 19,119.93, 28,683.95 and 5,973.30

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Solution

The fourth proportional to 19,119.93, 28,683.95 and 5,973.30 is: 8,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.93 : 28,683.95 = 5,973.30 : x
  2. Step 2: Convert to fraction form
    19,119.93/28,683.95 = 5,973.30/x
  3. Step 3: Cross multiply
    19,119.93x = 28,683.95 × 5,973.30
  4. Step 4: Simplify right side
    19,119.93x = 171,337,808.67
  5. Step 5: Solve for x
    x = 171,337,808.67/19,119.93
  6. Step 6: Final answer
    x = 8,961.22

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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.