Home / 15,985.80-22,051.36-10,007.10

Finding the Fourth Proportional to 15,985.80, 22,051.36 and 10,007.10

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Solution

The fourth proportional to 15,985.80, 22,051.36 and 10,007.10 is: 13,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.80 : 22,051.36 = 10,007.10 : x
  2. Step 2: Convert to fraction form
    15,985.80/22,051.36 = 10,007.10/x
  3. Step 3: Cross multiply
    15,985.80x = 22,051.36 × 10,007.10
  4. Step 4: Simplify right side
    15,985.80x = 220,670,164.66
  5. Step 5: Solve for x
    x = 220,670,164.66/15,985.80
  6. Step 6: Final answer
    x = 13,804.14

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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.