Home / 13,368.56-18,443.64-10,303.32

Finding the Fourth Proportional to 13,368.56, 18,443.64 and 10,303.32

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Solution

The fourth proportional to 13,368.56, 18,443.64 and 10,303.32 is: 14,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.56 : 18,443.64 = 10,303.32 : x
  2. Step 2: Convert to fraction form
    13,368.56/18,443.64 = 10,303.32/x
  3. Step 3: Cross multiply
    13,368.56x = 18,443.64 × 10,303.32
  4. Step 4: Simplify right side
    13,368.56x = 190,030,724.88
  5. Step 5: Solve for x
    x = 190,030,724.88/13,368.56
  6. Step 6: Final answer
    x = 14,214.75

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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.