Home / 9,431.16-14,154.98-3,888.50

Finding the Fourth Proportional to 9,431.16, 14,154.98 and 3,888.50

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Solution

The fourth proportional to 9,431.16, 14,154.98 and 3,888.50 is: 5,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.16 : 14,154.98 = 3,888.50 : x
  2. Step 2: Convert to fraction form
    9,431.16/14,154.98 = 3,888.50/x
  3. Step 3: Cross multiply
    9,431.16x = 14,154.98 × 3,888.50
  4. Step 4: Simplify right side
    9,431.16x = 55,041,549.51
  5. Step 5: Solve for x
    x = 55,041,549.51/9,431.16
  6. Step 6: Final answer
    x = 5,836.14

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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.