Home / 19,020-26,247.69-10,636.50

Finding the Fourth Proportional to 19,020, 26,247.69 and 10,636.50

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Solution

The fourth proportional to 19,020, 26,247.69 and 10,636.50 is: 14,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020 : 26,247.69 = 10,636.50 : x
  2. Step 2: Convert to fraction form
    19,020/26,247.69 = 10,636.50/x
  3. Step 3: Cross multiply
    19,020x = 26,247.69 × 10,636.50
  4. Step 4: Simplify right side
    19,020x = 279,183,554.69
  5. Step 5: Solve for x
    x = 279,183,554.69/19,020
  6. Step 6: Final answer
    x = 14,678.42

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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.