Home / 18,868.55-26,038.91-10,802.18

Finding the Fourth Proportional to 18,868.55, 26,038.91 and 10,802.18

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Solution

The fourth proportional to 18,868.55, 26,038.91 and 10,802.18 is: 14,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.55 : 26,038.91 = 10,802.18 : x
  2. Step 2: Convert to fraction form
    18,868.55/26,038.91 = 10,802.18/x
  3. Step 3: Cross multiply
    18,868.55x = 26,038.91 × 10,802.18
  4. Step 4: Simplify right side
    18,868.55x = 281,276,808.62
  5. Step 5: Solve for x
    x = 281,276,808.62/18,868.55
  6. Step 6: Final answer
    x = 14,907.18

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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.