Home / 15,541.88-23,312.88-5,153.63

Finding the Fourth Proportional to 15,541.88, 23,312.88 and 5,153.63

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Solution

The fourth proportional to 15,541.88, 23,312.88 and 5,153.63 is: 7,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.88 : 23,312.88 = 5,153.63 : x
  2. Step 2: Convert to fraction form
    15,541.88/23,312.88 = 5,153.63/x
  3. Step 3: Cross multiply
    15,541.88x = 23,312.88 × 5,153.63
  4. Step 4: Simplify right side
    15,541.88x = 120,145,841.19
  5. Step 5: Solve for x
    x = 120,145,841.19/15,541.88
  6. Step 6: Final answer
    x = 7,730.46

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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.