Home / 12,907.50-19,368.29-5,010.32

Finding the Fourth Proportional to 12,907.50, 19,368.29 and 5,010.32

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Solution

The fourth proportional to 12,907.50, 19,368.29 and 5,010.32 is: 7,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.50 : 19,368.29 = 5,010.32 : x
  2. Step 2: Convert to fraction form
    12,907.50/19,368.29 = 5,010.32/x
  3. Step 3: Cross multiply
    12,907.50x = 19,368.29 × 5,010.32
  4. Step 4: Simplify right side
    12,907.50x = 97,041,330.75
  5. Step 5: Solve for x
    x = 97,041,330.75/12,907.50
  6. Step 6: Final answer
    x = 7,518.21

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1.5x scale

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.