Home / 10,457.90-14,431.84-5,742.08

Finding the Fourth Proportional to 10,457.90, 14,431.84 and 5,742.08

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Solution

The fourth proportional to 10,457.90, 14,431.84 and 5,742.08 is: 7,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.90 : 14,431.84 = 5,742.08 : x
  2. Step 2: Convert to fraction form
    10,457.90/14,431.84 = 5,742.08/x
  3. Step 3: Cross multiply
    10,457.90x = 14,431.84 × 5,742.08
  4. Step 4: Simplify right side
    10,457.90x = 82,868,779.83
  5. Step 5: Solve for x
    x = 82,868,779.83/10,457.90
  6. Step 6: Final answer
    x = 7,924.04

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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.