Home / 19,536.04-29,298.60-6,389.20

Finding the Fourth Proportional to 19,536.04, 29,298.60 and 6,389.20

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Solution

The fourth proportional to 19,536.04, 29,298.60 and 6,389.20 is: 9,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.04 : 29,298.60 = 6,389.20 : x
  2. Step 2: Convert to fraction form
    19,536.04/29,298.60 = 6,389.20/x
  3. Step 3: Cross multiply
    19,536.04x = 29,298.60 × 6,389.20
  4. Step 4: Simplify right side
    19,536.04x = 187,194,615.12
  5. Step 5: Solve for x
    x = 187,194,615.12/19,536.04
  6. Step 6: Final answer
    x = 9,582.01

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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.