Home / 15,406.32-21,247.60-10,030.08

Finding the Fourth Proportional to 15,406.32, 21,247.60 and 10,030.08

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Solution

The fourth proportional to 15,406.32, 21,247.60 and 10,030.08 is: 13,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.32 : 21,247.60 = 10,030.08 : x
  2. Step 2: Convert to fraction form
    15,406.32/21,247.60 = 10,030.08/x
  3. Step 3: Cross multiply
    15,406.32x = 21,247.60 × 10,030.08
  4. Step 4: Simplify right side
    15,406.32x = 213,115,127.81
  5. Step 5: Solve for x
    x = 213,115,127.81/15,406.32
  6. Step 6: Final answer
    x = 13,832.97

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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.