Home / 19,130.23-28,698.31-9,765.17

Finding the Fourth Proportional to 19,130.23, 28,698.31 and 9,765.17

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Solution

The fourth proportional to 19,130.23, 28,698.31 and 9,765.17 is: 14,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.23 : 28,698.31 = 9,765.17 : x
  2. Step 2: Convert to fraction form
    19,130.23/28,698.31 = 9,765.17/x
  3. Step 3: Cross multiply
    19,130.23x = 28,698.31 × 9,765.17
  4. Step 4: Simplify right side
    19,130.23x = 280,243,827.04
  5. Step 5: Solve for x
    x = 280,243,827.04/19,130.23
  6. Step 6: Final answer
    x = 14,649.27

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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.