Home / 13,210.29-19,782.57-9,242.99

Finding the Fourth Proportional to 13,210.29, 19,782.57 and 9,242.99

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Solution

The fourth proportional to 13,210.29, 19,782.57 and 9,242.99 is: 13,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.29 : 19,782.57 = 9,242.99 : x
  2. Step 2: Convert to fraction form
    13,210.29/19,782.57 = 9,242.99/x
  3. Step 3: Cross multiply
    13,210.29x = 19,782.57 × 9,242.99
  4. Step 4: Simplify right side
    13,210.29x = 182,849,997.77
  5. Step 5: Solve for x
    x = 182,849,997.77/13,210.29
  6. Step 6: Final answer
    x = 13,841.48

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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.