Home / 9,423.30-14,148.90-5,271.60

Finding the Fourth Proportional to 9,423.30, 14,148.90 and 5,271.60

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Solution

The fourth proportional to 9,423.30, 14,148.90 and 5,271.60 is: 7,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.30 : 14,148.90 = 5,271.60 : x
  2. Step 2: Convert to fraction form
    9,423.30/14,148.90 = 5,271.60/x
  3. Step 3: Cross multiply
    9,423.30x = 14,148.90 × 5,271.60
  4. Step 4: Simplify right side
    9,423.30x = 74,587,341.24
  5. Step 5: Solve for x
    x = 74,587,341.24/9,423.30
  6. Step 6: Final answer
    x = 7,915.20

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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.