Home / 15,145.63-22,718.53-5,284.95

Finding the Fourth Proportional to 15,145.63, 22,718.53 and 5,284.95

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Solution

The fourth proportional to 15,145.63, 22,718.53 and 5,284.95 is: 7,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.63 : 22,718.53 = 5,284.95 : x
  2. Step 2: Convert to fraction form
    15,145.63/22,718.53 = 5,284.95/x
  3. Step 3: Cross multiply
    15,145.63x = 22,718.53 × 5,284.95
  4. Step 4: Simplify right side
    15,145.63x = 120,066,186.81
  5. Step 5: Solve for x
    x = 120,066,186.81/15,145.63
  6. Step 6: Final answer
    x = 7,927.45

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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.