Home / 13,824-19,070.55-9,349.32

Finding the Fourth Proportional to 13,824, 19,070.55 and 9,349.32

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Solution

The fourth proportional to 13,824, 19,070.55 and 9,349.32 is: 12,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824 : 19,070.55 = 9,349.32 : x
  2. Step 2: Convert to fraction form
    13,824/19,070.55 = 9,349.32/x
  3. Step 3: Cross multiply
    13,824x = 19,070.55 × 9,349.32
  4. Step 4: Simplify right side
    13,824x = 178,296,674.53
  5. Step 5: Solve for x
    x = 178,296,674.53/13,824
  6. Step 6: Final answer
    x = 12,897.62

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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.