Home / 10,459.95-15,679.40-4,615.53

Finding the Fourth Proportional to 10,459.95, 15,679.40 and 4,615.53

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Solution

The fourth proportional to 10,459.95, 15,679.40 and 4,615.53 is: 6,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.95 : 15,679.40 = 4,615.53 : x
  2. Step 2: Convert to fraction form
    10,459.95/15,679.40 = 4,615.53/x
  3. Step 3: Cross multiply
    10,459.95x = 15,679.40 × 4,615.53
  4. Step 4: Simplify right side
    10,459.95x = 72,368,718.00
  5. Step 5: Solve for x
    x = 72,368,718.00/10,459.95
  6. Step 6: Final answer
    x = 6,918.65

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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.