Home / 14,235.65-19,643.50-8,570.30

Finding the Fourth Proportional to 14,235.65, 19,643.50 and 8,570.30

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Solution

The fourth proportional to 14,235.65, 19,643.50 and 8,570.30 is: 11,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.65 : 19,643.50 = 8,570.30 : x
  2. Step 2: Convert to fraction form
    14,235.65/19,643.50 = 8,570.30/x
  3. Step 3: Cross multiply
    14,235.65x = 19,643.50 × 8,570.30
  4. Step 4: Simplify right side
    14,235.65x = 168,350,645.20
  5. Step 5: Solve for x
    x = 168,350,645.20/14,235.65
  6. Step 6: Final answer
    x = 11,825.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.