Home / 18,459.18-25,474.28-10,075.68

Finding the Fourth Proportional to 18,459.18, 25,474.28 and 10,075.68

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Solution

The fourth proportional to 18,459.18, 25,474.28 and 10,075.68 is: 13,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.18 : 25,474.28 = 10,075.68 : x
  2. Step 2: Convert to fraction form
    18,459.18/25,474.28 = 10,075.68/x
  3. Step 3: Cross multiply
    18,459.18x = 25,474.28 × 10,075.68
  4. Step 4: Simplify right side
    18,459.18x = 256,670,693.51
  5. Step 5: Solve for x
    x = 256,670,693.51/18,459.18
  6. Step 6: Final answer
    x = 13,904.77

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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.