Home / 16,681.03-23,019.14-9,970.36

Finding the Fourth Proportional to 16,681.03, 23,019.14 and 9,970.36

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Solution

The fourth proportional to 16,681.03, 23,019.14 and 9,970.36 is: 13,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.03 : 23,019.14 = 9,970.36 : x
  2. Step 2: Convert to fraction form
    16,681.03/23,019.14 = 9,970.36/x
  3. Step 3: Cross multiply
    16,681.03x = 23,019.14 × 9,970.36
  4. Step 4: Simplify right side
    16,681.03x = 229,509,080.07
  5. Step 5: Solve for x
    x = 229,509,080.07/16,681.03
  6. Step 6: Final answer
    x = 13,758.69

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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.