Home / 13,541.56-20,312.34-4,307.56

Finding the Fourth Proportional to 13,541.56, 20,312.34 and 4,307.56

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Solution

The fourth proportional to 13,541.56, 20,312.34 and 4,307.56 is: 6,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.56 : 20,312.34 = 4,307.56 : x
  2. Step 2: Convert to fraction form
    13,541.56/20,312.34 = 4,307.56/x
  3. Step 3: Cross multiply
    13,541.56x = 20,312.34 × 4,307.56
  4. Step 4: Simplify right side
    13,541.56x = 87,496,623.29
  5. Step 5: Solve for x
    x = 87,496,623.29/13,541.56
  6. Step 6: Final answer
    x = 6,461.34

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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.