Home / 9,618.95-14,430.51-3,045.20

Finding the Fourth Proportional to 9,618.95, 14,430.51 and 3,045.20

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Solution

The fourth proportional to 9,618.95, 14,430.51 and 3,045.20 is: 4,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.95 : 14,430.51 = 3,045.20 : x
  2. Step 2: Convert to fraction form
    9,618.95/14,430.51 = 3,045.20/x
  3. Step 3: Cross multiply
    9,618.95x = 14,430.51 × 3,045.20
  4. Step 4: Simplify right side
    9,618.95x = 43,943,716.90
  5. Step 5: Solve for x
    x = 43,943,716.90/9,618.95
  6. Step 6: Final answer
    x = 4,568.45

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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.