Home / 19,148.86-28,727.34-9,666.58

Finding the Fourth Proportional to 19,148.86, 28,727.34 and 9,666.58

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Solution

The fourth proportional to 19,148.86, 28,727.34 and 9,666.58 is: 14,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.86 : 28,727.34 = 9,666.58 : x
  2. Step 2: Convert to fraction form
    19,148.86/28,727.34 = 9,666.58/x
  3. Step 3: Cross multiply
    19,148.86x = 28,727.34 × 9,666.58
  4. Step 4: Simplify right side
    19,148.86x = 277,695,130.30
  5. Step 5: Solve for x
    x = 277,695,130.30/19,148.86
  6. Step 6: Final answer
    x = 14,501.91

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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.