Home / 10,347.40-15,521.10-6,848.20

Finding the Fourth Proportional to 10,347.40, 15,521.10 and 6,848.20

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Solution

The fourth proportional to 10,347.40, 15,521.10 and 6,848.20 is: 10,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.40 : 15,521.10 = 6,848.20 : x
  2. Step 2: Convert to fraction form
    10,347.40/15,521.10 = 6,848.20/x
  3. Step 3: Cross multiply
    10,347.40x = 15,521.10 × 6,848.20
  4. Step 4: Simplify right side
    10,347.40x = 106,291,597.02
  5. Step 5: Solve for x
    x = 106,291,597.02/10,347.40
  6. Step 6: Final answer
    x = 10,272.30

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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.