Home / 13,916.02-19,203.86-7,628.26

Finding the Fourth Proportional to 13,916.02, 19,203.86 and 7,628.26

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Solution

The fourth proportional to 13,916.02, 19,203.86 and 7,628.26 is: 10,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.02 : 19,203.86 = 7,628.26 : x
  2. Step 2: Convert to fraction form
    13,916.02/19,203.86 = 7,628.26/x
  3. Step 3: Cross multiply
    13,916.02x = 19,203.86 × 7,628.26
  4. Step 4: Simplify right side
    13,916.02x = 146,492,037.08
  5. Step 5: Solve for x
    x = 146,492,037.08/13,916.02
  6. Step 6: Final answer
    x = 10,526.86

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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.