Home / 19,630.08-29,457.59-7,148.88

Finding the Fourth Proportional to 19,630.08, 29,457.59 and 7,148.88

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Solution

The fourth proportional to 19,630.08, 29,457.59 and 7,148.88 is: 10,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.08 : 29,457.59 = 7,148.88 : x
  2. Step 2: Convert to fraction form
    19,630.08/29,457.59 = 7,148.88/x
  3. Step 3: Cross multiply
    19,630.08x = 29,457.59 × 7,148.88
  4. Step 4: Simplify right side
    19,630.08x = 210,588,740.25
  5. Step 5: Solve for x
    x = 210,588,740.25/19,630.08
  6. Step 6: Final answer
    x = 10,727.86

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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.