Home / 14,415.57-21,577.19-10,453.05

Finding the Fourth Proportional to 14,415.57, 21,577.19 and 10,453.05

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Solution

The fourth proportional to 14,415.57, 21,577.19 and 10,453.05 is: 15,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.57 : 21,577.19 = 10,453.05 : x
  2. Step 2: Convert to fraction form
    14,415.57/21,577.19 = 10,453.05/x
  3. Step 3: Cross multiply
    14,415.57x = 21,577.19 × 10,453.05
  4. Step 4: Simplify right side
    14,415.57x = 225,547,393.66
  5. Step 5: Solve for x
    x = 225,547,393.66/14,415.57
  6. Step 6: Final answer
    x = 15,646.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.