Home / 10,528.73-15,779.43-4,281.47

Finding the Fourth Proportional to 10,528.73, 15,779.43 and 4,281.47

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Solution

The fourth proportional to 10,528.73, 15,779.43 and 4,281.47 is: 6,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.73 : 15,779.43 = 4,281.47 : x
  2. Step 2: Convert to fraction form
    10,528.73/15,779.43 = 4,281.47/x
  3. Step 3: Cross multiply
    10,528.73x = 15,779.43 × 4,281.47
  4. Step 4: Simplify right side
    10,528.73x = 67,559,077.26
  5. Step 5: Solve for x
    x = 67,559,077.26/10,528.73
  6. Step 6: Final answer
    x = 6,416.64

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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.