Home / 13,009.95-19,503.45-4,688.01

Finding the Fourth Proportional to 13,009.95, 19,503.45 and 4,688.01

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Solution

The fourth proportional to 13,009.95, 19,503.45 and 4,688.01 is: 7,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.95 : 19,503.45 = 4,688.01 : x
  2. Step 2: Convert to fraction form
    13,009.95/19,503.45 = 4,688.01/x
  3. Step 3: Cross multiply
    13,009.95x = 19,503.45 × 4,688.01
  4. Step 4: Simplify right side
    13,009.95x = 91,432,368.63
  5. Step 5: Solve for x
    x = 91,432,368.63/13,009.95
  6. Step 6: Final answer
    x = 7,027.88

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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.