Home / 18,870.55-26,041.67-10,804.18

Finding the Fourth Proportional to 18,870.55, 26,041.67 and 10,804.18

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Solution

The fourth proportional to 18,870.55, 26,041.67 and 10,804.18 is: 14,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.55 : 26,041.67 = 10,804.18 : x
  2. Step 2: Convert to fraction form
    18,870.55/26,041.67 = 10,804.18/x
  3. Step 3: Cross multiply
    18,870.55x = 26,041.67 × 10,804.18
  4. Step 4: Simplify right side
    18,870.55x = 281,358,890.18
  5. Step 5: Solve for x
    x = 281,358,890.18/18,870.55
  6. Step 6: Final answer
    x = 14,909.95

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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.