Home / 18,417.12-25,415.66-10,459.34

Finding the Fourth Proportional to 18,417.12, 25,415.66 and 10,459.34

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Solution

The fourth proportional to 18,417.12, 25,415.66 and 10,459.34 is: 14,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.12 : 25,415.66 = 10,459.34 : x
  2. Step 2: Convert to fraction form
    18,417.12/25,415.66 = 10,459.34/x
  3. Step 3: Cross multiply
    18,417.12x = 25,415.66 × 10,459.34
  4. Step 4: Simplify right side
    18,417.12x = 265,831,040.51
  5. Step 5: Solve for x
    x = 265,831,040.51/18,417.12
  6. Step 6: Final answer
    x = 14,433.91

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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.