Home / 13,457.58-18,558.57-10,265.20

Finding the Fourth Proportional to 13,457.58, 18,558.57 and 10,265.20

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Solution

The fourth proportional to 13,457.58, 18,558.57 and 10,265.20 is: 14,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.58 : 18,558.57 = 10,265.20 : x
  2. Step 2: Convert to fraction form
    13,457.58/18,558.57 = 10,265.20/x
  3. Step 3: Cross multiply
    13,457.58x = 18,558.57 × 10,265.20
  4. Step 4: Simplify right side
    13,457.58x = 190,507,432.76
  5. Step 5: Solve for x
    x = 190,507,432.76/13,457.58
  6. Step 6: Final answer
    x = 14,156.14

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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.