Home / 14,130.99-21,211.25-10,437.39

Finding the Fourth Proportional to 14,130.99, 21,211.25 and 10,437.39

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Solution

The fourth proportional to 14,130.99, 21,211.25 and 10,437.39 is: 15,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.99 : 21,211.25 = 10,437.39 : x
  2. Step 2: Convert to fraction form
    14,130.99/21,211.25 = 10,437.39/x
  3. Step 3: Cross multiply
    14,130.99x = 21,211.25 × 10,437.39
  4. Step 4: Simplify right side
    14,130.99x = 221,390,036.45
  5. Step 5: Solve for x
    x = 221,390,036.45/14,130.99
  6. Step 6: Final answer
    x = 15,666.99

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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.