Home / 19,384.94-29,077.55-7,698.12

Finding the Fourth Proportional to 19,384.94, 29,077.55 and 7,698.12

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Solution

The fourth proportional to 19,384.94, 29,077.55 and 7,698.12 is: 11,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.94 : 29,077.55 = 7,698.12 : x
  2. Step 2: Convert to fraction form
    19,384.94/29,077.55 = 7,698.12/x
  3. Step 3: Cross multiply
    19,384.94x = 29,077.55 × 7,698.12
  4. Step 4: Simplify right side
    19,384.94x = 223,842,430.72
  5. Step 5: Solve for x
    x = 223,842,430.72/19,384.94
  6. Step 6: Final answer
    x = 11,547.24

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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.