Home / 18,870.66-26,041.14-10,372.32

Finding the Fourth Proportional to 18,870.66, 26,041.14 and 10,372.32

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Solution

The fourth proportional to 18,870.66, 26,041.14 and 10,372.32 is: 14,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.66 : 26,041.14 = 10,372.32 : x
  2. Step 2: Convert to fraction form
    18,870.66/26,041.14 = 10,372.32/x
  3. Step 3: Cross multiply
    18,870.66x = 26,041.14 × 10,372.32
  4. Step 4: Simplify right side
    18,870.66x = 270,107,037.24
  5. Step 5: Solve for x
    x = 270,107,037.24/18,870.66
  6. Step 6: Final answer
    x = 14,313.60

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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.