Home / 19,280.15-26,607.96-10,783.06

Finding the Fourth Proportional to 19,280.15, 26,607.96 and 10,783.06

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Solution

The fourth proportional to 19,280.15, 26,607.96 and 10,783.06 is: 14,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.15 : 26,607.96 = 10,783.06 : x
  2. Step 2: Convert to fraction form
    19,280.15/26,607.96 = 10,783.06/x
  3. Step 3: Cross multiply
    19,280.15x = 26,607.96 × 10,783.06
  4. Step 4: Simplify right side
    19,280.15x = 286,915,139.73
  5. Step 5: Solve for x
    x = 286,915,139.73/19,280.15
  6. Step 6: Final answer
    x = 14,881.38

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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.