Home / 10,530.40-14,531.60-6,337.84

Finding the Fourth Proportional to 10,530.40, 14,531.60 and 6,337.84

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Solution

The fourth proportional to 10,530.40, 14,531.60 and 6,337.84 is: 8,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.40 : 14,531.60 = 6,337.84 : x
  2. Step 2: Convert to fraction form
    10,530.40/14,531.60 = 6,337.84/x
  3. Step 3: Cross multiply
    10,530.40x = 14,531.60 × 6,337.84
  4. Step 4: Simplify right side
    10,530.40x = 92,098,955.74
  5. Step 5: Solve for x
    x = 92,098,955.74/10,530.40
  6. Step 6: Final answer
    x = 8,746.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.